116561510 has 32 divisors (see below), whose sum is σ = 227428992. Its totient is φ = 42756480.

The previous prime is 116561479. The next prime is 116561531. The reversal of 116561510 is 15165611.

It is a super-2 number, since 2×116561510² = 27173171226960200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116561510.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17555 + ... + 23265.

It is an arithmetic number, because the mean of its divisors is an integer number (7107156).

Almost surely, 2^116561510 is an apocalyptic number.

116561510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116561510 is a deficient number, since it is larger than the sum of its proper divisors (110867482).

116561510 is a wasteful number, since it uses less digits than its factorization.

116561510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 116561510 is about 10796.3655921796. The cubic root of 116561510 is about 488.4855503870.

The spelling of 116561510 in words is "one hundred sixteen million, five hundred sixty-one thousand, five hundred ten".