102861619166 has 32 divisors (see below), whose sum is σ = 157587055200. Its totient is φ = 50340659200.

The previous prime is 102861619141. The next prime is 102861619171. The reversal of 102861619166 is 661916168201.

It is a self number, because there is not a number n which added to its sum of digits gives 102861619166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30896990 + ... + 30900318.

It is an arithmetic number, because the mean of its divisors is an integer number (4924595475).

Almost surely, 2^102861619166 is an apocalyptic number.

102861619166 is a deficient number, since it is larger than the sum of its proper divisors (54725436034).

102861619166 is a wasteful number, since it uses less digits than its factorization.

102861619166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 102861619166 in words is "one hundred two billion, eight hundred sixty-one million, six hundred nineteen thousand, one hundred sixty-six".