156400061441 has 32 divisors (see below), whose sum is σ = 173652864000. Its totient is φ = 139973038848.

The previous prime is 156400061423. The next prime is 156400061453. The reversal of 156400061441 is 144160004651.

It is a cyclic number.

It is not a de Polignac number, because 156400061441 - 2¹⁰ = 156400060417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156400061398 and 156400061407.

It is not an unprimeable number, because it can be changed into a prime (156400061141) 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, 18639275 + ... + 18647663.

It is an arithmetic number, because the mean of its divisors is an integer number (5426652000).

Almost surely, 2^156400061441 is an apocalyptic number.

It is an amenable number.

156400061441 is a deficient number, since it is larger than the sum of its proper divisors (17252802559).

156400061441 is a wasteful number, since it uses less digits than its factorization.

156400061441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8793.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 156400061441 in words is "one hundred fifty-six billion, four hundred million, sixty-one thousand, four hundred forty-one".