156601655061 has 16 divisors (see below), whose sum is σ = 209031710400. Its totient is φ = 104286414848.

The previous prime is 156601655057. The next prime is 156601655081. The reversal of 156601655061 is 160556106651.

It is a cyclic number.

It is not a de Polignac number, because 156601655061 - 2² = 156601655057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156601655081) 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, 14142235 + ... + 14153303.

It is an arithmetic number, because the mean of its divisors is an integer number (13064481900).

Almost surely, 2^156601655061 is an apocalyptic number.

It is an amenable number.

156601655061 is a deficient number, since it is larger than the sum of its proper divisors (52430055339).

156601655061 is a wasteful number, since it uses less digits than its factorization.

156601655061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15828.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 156601655061 in words is "one hundred fifty-six billion, six hundred one million, six hundred fifty-five thousand, sixty-one".