102660544 has 28 divisors (see below), whose sum is σ = 232820464. Its totient is φ = 43997184.

The previous prime is 102660511. The next prime is 102660587. The reversal of 102660544 is 445066201.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114129 + ... + 115024.

Almost surely, 2^102660544 is an apocalyptic number.

102660544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102660544 is an abundant number, since it is smaller than the sum of its proper divisors (130159920).

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

102660544 is an equidigital number, since it uses as much as digits as its factorization.

102660544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229172 (or 229162 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 102660544 is about 10132.1539664575. The cubic root of 102660544 is about 468.2392912692.

The spelling of 102660544 in words is "one hundred two million, six hundred sixty thousand, five hundred forty-four".