156106016661 has 32 divisors (see below), whose sum is σ = 247109861376. Its totient is φ = 85801968000.

The previous prime is 156106016657. The next prime is 156106016687. The reversal of 156106016661 is 166610601651.

It is not a de Polignac number, because 156106016661 - 2² = 156106016657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156106056661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1215685 + ... + 1337946.

It is an arithmetic number, because the mean of its divisors is an integer number (7722183168).

Almost surely, 2^156106016661 is an apocalyptic number.

It is an amenable number.

156106016661 is a deficient number, since it is larger than the sum of its proper divisors (91003844715).

156106016661 is a wasteful number, since it uses less digits than its factorization.

156106016661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553753.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 156106016661 in words is "one hundred fifty-six billion, one hundred six million, sixteen thousand, six hundred sixty-one".