117261644 has 6 divisors (see below), whose sum is σ = 205207884. Its totient is φ = 58630820.

The previous prime is 117261611. The next prime is 117261671. The reversal of 117261644 is 446162711.

It is a self number, because there is not a number n which added to its sum of digits gives 117261644.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14657702 + ... + 14657709.

It is an arithmetic number, because the mean of its divisors is an integer number (34201314).

Almost surely, 2^117261644 is an apocalyptic number.

It is an amenable number.

117261644 is a deficient number, since it is larger than the sum of its proper divisors (87946240).

117261644 is a wasteful number, since it uses less digits than its factorization.

117261644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29315415 (or 29315413 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 117261644 is about 10828.7415704688. The cubic root of 117261644 is about 489.4616383467.

The spelling of 117261644 in words is "one hundred seventeen million, two hundred sixty-one thousand, six hundred forty-four".