116921534 has 16 divisors (see below), whose sum is σ = 177292800. Its totient is φ = 57826944.

The previous prime is 116921527. The next prime is 116921537. The reversal of 116921534 is 435129611.

It is a super-2 number, since 2×116921534² = 27341290225826312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116921534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116921537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144122 + ... + 144930.

It is an arithmetic number, because the mean of its divisors is an integer number (11080800).

Almost surely, 2^116921534 is an apocalyptic number.

116921534 is a deficient number, since it is larger than the sum of its proper divisors (60371266).

116921534 is a wasteful number, since it uses less digits than its factorization.

116921534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507.

The product of its digits is 6480, while the sum is 32.

The square root of 116921534 is about 10813.0261259279. The cubic root of 116921534 is about 488.9879625621.

The spelling of 116921534 in words is "one hundred sixteen million, nine hundred twenty-one thousand, five hundred thirty-four".