156341646 has 48 divisors (see below), whose sum is σ = 348199488. Its totient is φ = 50673600.

The previous prime is 156341623. The next prime is 156341663. The reversal of 156341646 is 646143651.

It is a happy number.

156341646 is a `hidden beast` number, since 1 + 5 + 6 + 3 + 4 + 1 + 646 = 666.

156341646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 156341646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152616 + ... + 153636.

It is an arithmetic number, because the mean of its divisors is an integer number (7254156).

Almost surely, 2^156341646 is an apocalyptic number.

156341646 is an abundant number, since it is smaller than the sum of its proper divisors (191857842).

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

156341646 is a wasteful number, since it uses less digits than its factorization.

156341646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1254 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 156341646 is about 12503.6653026223. The cubic root of 156341646 is about 538.7139560980.

The spelling of 156341646 in words is "one hundred fifty-six million, three hundred forty-one thousand, six hundred forty-six".