102261385316 has 6 divisors (see below), whose sum is σ = 178957424310. Its totient is φ = 51130692656.

The previous prime is 102261385307. The next prime is 102261385351. The reversal of 102261385316 is 613583162201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 101221967716 + 1039417600 = 318154^2 + 32240^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102261385316.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12782673161 + ... + 12782673168.

It is an arithmetic number, because the mean of its divisors is an integer number (29826237385).

Almost surely, 2^102261385316 is an apocalyptic number.

It is an amenable number.

102261385316 is a deficient number, since it is larger than the sum of its proper divisors (76696038994).

102261385316 is a wasteful number, since it uses less digits than its factorization.

102261385316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25565346333 (or 25565346331 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 102261385316 in words is "one hundred two billion, two hundred sixty-one million, three hundred eighty-five thousand, three hundred sixteen".