102665670 has 16 divisors (see below), whose sum is σ = 246397680. Its totient is φ = 27377504.

The previous prime is 102665663. The next prime is 102665671. The reversal of 102665670 is 76566201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102665671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711065 + ... + 1711124.

It is an arithmetic number, because the mean of its divisors is an integer number (15399855).

Almost surely, 2^102665670 is an apocalyptic number.

102665670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102665670 is an abundant number, since it is smaller than the sum of its proper divisors (143732010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102665670 is a wasteful number, since it uses less digits than its factorization.

102665670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422199.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 102665670 is about 10132.4069203719. The cubic root of 102665670 is about 468.2470844439.

The spelling of 102665670 in words is "one hundred two million, six hundred sixty-five thousand, six hundred seventy".