156140875511661 has 16 divisors (see below), whose sum is σ = 212756739981120. Its totient is φ = 101821331314560.

The previous prime is 156140875511659. The next prime is 156140875511669. The reversal of 156140875511661 is 166115578041651.

156140875511661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156140875511661 - 2¹ = 156140875511659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156140875511669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483358376 + ... + 1483463633.

It is an arithmetic number, because the mean of its divisors is an integer number (13297296248820).

Almost surely, 2^{156140875511661} is an apocalyptic number.

It is an amenable number.

156140875511661 is a deficient number, since it is larger than the sum of its proper divisors (56615864469459).

156140875511661 is a wasteful number, since it uses less digits than its factorization.

156140875511661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966822396.

The product of its (nonzero) digits is 6048000, while the sum is 57.

The spelling of 156140875511661 in words is "one hundred fifty-six trillion, one hundred forty billion, eight hundred seventy-five million, five hundred eleven thousand, six hundred sixty-one".