102685582161 has 6 divisors (see below), whose sum is σ = 148323618690. Its totient is φ = 68457054768.

The previous prime is 102685582133. The next prime is 102685582193. The reversal of 102685582161 is 161285586201.

102685582161 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 8 + 5 + 582 + 1 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65270030400 + 37415551761 = 255480^2 + 193431^2 .

It is not a de Polignac number, because 102685582161 - 2⁷ = 102685582033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102685582561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5704754556 + ... + 5704754573.

It is an arithmetic number, because the mean of its divisors is an integer number (24720603115).

Almost surely, 2^102685582161 is an apocalyptic number.

It is an amenable number.

102685582161 is a deficient number, since it is larger than the sum of its proper divisors (45638036529).

102685582161 is a wasteful number, since it uses less digits than its factorization.

102685582161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11409509135 (or 11409509132 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 102685582161 in words is "one hundred two billion, six hundred eighty-five million, five hundred eighty-two thousand, one hundred sixty-one".