161156137114643 has 64 divisors (see below), whose sum is σ = 188485091942400. Its totient is φ = 136392759135360.

The previous prime is 161156137114601. The next prime is 161156137114663. The reversal of 161156137114643 is 346411731651161.

It is a cyclic number.

It is not a de Polignac number, because 161156137114643 - 2¹⁸ = 161156136852499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161156137114591 and 161156137114600.

It is not an unprimeable number, because it can be changed into a prime (161156137114663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13180343696 + ... + 13180355922.

It is an arithmetic number, because the mean of its divisors is an integer number (2945079561600).

Almost surely, 2^{161156137114643} is an apocalyptic number.

161156137114643 is a deficient number, since it is larger than the sum of its proper divisors (27328954827757).

161156137114643 is a wasteful number, since it uses less digits than its factorization.

161156137114643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24552.

The product of its digits is 1088640, while the sum is 50.

The spelling of 161156137114643 in words is "one hundred sixty-one trillion, one hundred fifty-six billion, one hundred thirty-seven million, one hundred fourteen thousand, six hundred forty-three".