15620600061 has 32 divisors (see below), whose sum is σ = 25288704000. Its totient is φ = 9450797040.

The previous prime is 15620600053. The next prime is 15620600089. The reversal of 15620600061 is 16000602651.

It is a happy number.

15620600061 is a `hidden beast` number, since 1 + 56 + 2 + 0 + 600 + 0 + 6 + 1 = 666.

It is not a de Polignac number, because 15620600061 - 2³ = 15620600053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 15620599998 and 15620600034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15620600041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129540 + ... + 219138.

It is an arithmetic number, because the mean of its divisors is an integer number (790272000).

Almost surely, 2^15620600061 is an apocalyptic number.

15620600061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15620600061 is a deficient number, since it is larger than the sum of its proper divisors (9668103939).

15620600061 is a wasteful number, since it uses less digits than its factorization.

15620600061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90206 (or 90200 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 15620600061 in words is "fifteen billion, six hundred twenty million, six hundred thousand, sixty-one".