20161156326102 has 72 divisors (see below), whose sum is σ = 48015967210848. Its totient is φ = 6109274302560.

The previous prime is 20161156326083. The next prime is 20161156326107. The reversal of 20161156326102 is 20162365116102.

20161156326102 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 1 + 1 + 5 + 6 + 32 + 610 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161156326107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 96505203 + ... + 96713889.

It is an arithmetic number, because the mean of its divisors is an integer number (666888433484).

Almost surely, 2^{20161156326102} is an apocalyptic number.

20161156326102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20161156326102 is an abundant number, since it is smaller than the sum of its proper divisors (27854810884746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20161156326102 is a wasteful number, since it uses less digits than its factorization.

20161156326102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253074 (or 253060 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 20161156326102 in words is "twenty trillion, one hundred sixty-one billion, one hundred fifty-six million, three hundred twenty-six thousand, one hundred two".