116867531 has 16 divisors (see below), whose sum is σ = 133429248. Its totient is φ = 101323200.

The previous prime is 116867501. The next prime is 116867557. The reversal of 116867531 is 135768611.

It is not a de Polignac number, because 116867531 - 2¹⁸ = 116605387 is a prime.

It is a super-2 number, since 2×116867531² = 27316039604071922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116867501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153191 + ... + 153951.

It is an arithmetic number, because the mean of its divisors is an integer number (8339328).

Almost surely, 2^116867531 is an apocalyptic number.

116867531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116867531 is a deficient number, since it is larger than the sum of its proper divisors (16561717).

116867531 is a wasteful number, since it uses less digits than its factorization.

116867531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its digits is 30240, while the sum is 38.

The square root of 116867531 is about 10810.5287104748. The cubic root of 116867531 is about 488.9126673830.

The spelling of 116867531 in words is "one hundred sixteen million, eight hundred sixty-seven thousand, five hundred thirty-one".