102660551 has 16 divisors (see below), whose sum is σ = 121746240. Its totient is φ = 84698880.

The previous prime is 102660511. The next prime is 102660587. The reversal of 102660551 is 155066201.

It is not a de Polignac number, because 102660551 - 2⁶ = 102660487 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 102660551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102660511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93035 + ... + 94131.

It is an arithmetic number, because the mean of its divisors is an integer number (7609140).

Almost surely, 2^102660551 is an apocalyptic number.

102660551 is a deficient number, since it is larger than the sum of its proper divisors (19085689).

102660551 is a wasteful number, since it uses less digits than its factorization.

102660551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 102660551 is about 10132.1543118924. The cubic root of 102660551 is about 468.2393019116.

The spelling of 102660551 in words is "one hundred two million, six hundred sixty thousand, five hundred fifty-one".