156013646444 has 6 divisors (see below), whose sum is σ = 273023881284. Its totient is φ = 78006823220.

The previous prime is 156013646407. The next prime is 156013646479. The reversal of 156013646444 is 444646310651.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 156013646395 and 156013646404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19501705802 + ... + 19501705809.

It is an arithmetic number, because the mean of its divisors is an integer number (45503980214).

Almost surely, 2^156013646444 is an apocalyptic number.

It is an amenable number.

156013646444 is a deficient number, since it is larger than the sum of its proper divisors (117010234840).

156013646444 is a wasteful number, since it uses less digits than its factorization.

156013646444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39003411615 (or 39003411613 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 156013646444 in words is "one hundred fifty-six billion, thirteen million, six hundred forty-six thousand, four hundred forty-four".