156401356456 has 16 divisors (see below), whose sum is σ = 301178288340. Its totient is φ = 76087146240.

The previous prime is 156401356451. The next prime is 156401356469. The reversal of 156401356456 is 654653104651.

It is a happy number.

156401356456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118700920900 + 37700435556 = 344530^2 + 194166^2 .

It is a super-2 number, since 2×156401356456² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156401356451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264191185 + ... + 264191776.

Almost surely, 2^156401356456 is an apocalyptic number.

It is an amenable number.

156401356456 is a deficient number, since it is larger than the sum of its proper divisors (144776931884).

156401356456 is a wasteful number, since it uses less digits than its factorization.

156401356456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528383004 (or 528383000 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 156401356456 in words is "one hundred fifty-six billion, four hundred one million, three hundred fifty-six thousand, four hundred fifty-six".