116172434 has 48 divisors (see below), whose sum is σ = 215029080. Its totient is φ = 46851840.

The previous prime is 116172431. The next prime is 116172451. The reversal of 116172434 is 434271611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93180409 + 22992025 = 9653^2 + 4795^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 116172397 and 116172406.

It is not an unprimeable number, because it can be changed into a prime (116172431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116024 + ... + 117020.

Almost surely, 2^116172434 is an apocalyptic number.

116172434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

116172434 is a deficient number, since it is larger than the sum of its proper divisors (98856646).

116172434 is a wasteful number, since it uses less digits than its factorization.

116172434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1076 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 116172434 is about 10778.3316890881. The cubic root of 116172434 is about 487.9414317644.

The spelling of 116172434 in words is "one hundred sixteen million, one hundred seventy-two thousand, four hundred thirty-four".