156484660 has 48 divisors (see below), whose sum is σ = 351113616. Its totient is φ = 58376192.

The previous prime is 156484649. The next prime is 156484661. The reversal of 156484660 is 66484651.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 32741284 + 123743376 = 5722^2 + 11124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156484661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36384 + ... + 40456.

It is an arithmetic number, because the mean of its divisors is an integer number (7314867).

Almost surely, 2^156484660 is an apocalyptic number.

156484660 is a gapful number since it is divisible by the number (10) 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 156484660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175556808).

156484660 is an abundant number, since it is smaller than the sum of its proper divisors (194628956).

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

156484660 is a wasteful number, since it uses less digits than its factorization.

156484660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4210 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 156484660 is about 12509.3828784637. The cubic root of 156484660 is about 538.8781694510.

Subtracting from 156484660 its reverse (66484651), we obtain a palindrome (90000009).

The spelling of 156484660 in words is "one hundred fifty-six million, four hundred eighty-four thousand, six hundred sixty".