36660540 has 96 divisors (see below), whose sum is σ = 118185984. Its totient is φ = 8317440.

The previous prime is 36660539. The next prime is 36660541. The reversal of 36660540 is 4506663.

It is an interprime number because it is at equal distance from previous prime (36660539) and next prime (36660541).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 36660498 and 36660507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36660541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79992 + ... + 80448.

It is an arithmetic number, because the mean of its divisors is an integer number (1231104).

Almost surely, 2^36660540 is an apocalyptic number.

36660540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36660540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59092992).

36660540 is an abundant number, since it is smaller than the sum of its proper divisors (81525444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36660540 is a wasteful number, since it uses less digits than its factorization.

36660540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 36660540 is about 6054.7947942106. The cubic root of 36660540 is about 332.1999932099.

It can be divided in two parts, 366 and 60540, that added together give a palindrome (60906).

The spelling of 36660540 in words is "thirty-six million, six hundred sixty thousand, five hundred forty".