101561164036 has 12 divisors (see below), whose sum is σ = 177752403612. Its totient is φ = 50774763008.

The previous prime is 101561164031. The next prime is 101561164063. The reversal of 101561164036 is 630461165101.

It can be written as a sum of positive squares in 2 ways, for example, as 57381327936 + 44179836100 = 239544^2 + 210190^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101561163992 and 101561164010.

It is not an unprimeable number, because it can be changed into a prime (101561164031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415365 + ... + 1485388.

It is an arithmetic number, because the mean of its divisors is an integer number (14812700301).

Almost surely, 2^101561164036 is an apocalyptic number.

It is an amenable number.

101561164036 is a deficient number, since it is larger than the sum of its proper divisors (76191239576).

101561164036 is a wasteful number, since it uses less digits than its factorization.

101561164036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909510 (or 2909508 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 101561164036 in words is "one hundred one billion, five hundred sixty-one million, one hundred sixty-four thousand, thirty-six".