36666546 has 64 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 10074240.

The previous prime is 36666541. The next prime is 36666547. The reversal of 36666546 is 64566663.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 36666498 and 36666507.

It is not an unprimeable number, because it can be changed into a prime (36666541) 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, 184155 + ... + 184353.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^36666546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36666546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43545600).

36666546 is an abundant number, since it is smaller than the sum of its proper divisors (50424654).

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

36666546 is a wasteful number, since it uses less digits than its factorization.

36666546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its digits is 466560, while the sum is 42.

The square root of 36666546 is about 6055.2907444647. The cubic root of 36666546 is about 332.2181333702.

The spelling of 36666546 in words is "thirty-six million, six hundred sixty-six thousand, five hundred forty-six".