102609516 has 12 divisors (see below), whose sum is σ = 239422232. Its totient is φ = 34203168.

The previous prime is 102609499. The next prime is 102609571. The reversal of 102609516 is 615906201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×102609516³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4275385 + ... + 4275408.

Almost surely, 2^102609516 is an apocalyptic number.

It is an amenable number.

102609516 is an abundant number, since it is smaller than the sum of its proper divisors (136812716).

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

102609516 is a wasteful number, since it uses less digits than its factorization.

102609516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550800 (or 8550798 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 102609516 is about 10129.6355314493. The cubic root of 102609516 is about 468.1616980885.

The spelling of 102609516 in words is "one hundred two million, six hundred nine thousand, five hundred sixteen".