116517621 has 32 divisors (see below), whose sum is σ = 177091200. Its totient is φ = 67495680.

The previous prime is 116517607. The next prime is 116517629. The reversal of 116517621 is 126715611.

It is not a de Polignac number, because 116517621 - 2¹¹ = 116515573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116517629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103755 + ... + 104871.

It is an arithmetic number, because the mean of its divisors is an integer number (5534100).

Almost surely, 2^116517621 is an apocalyptic number.

116517621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116517621 is a deficient number, since it is larger than the sum of its proper divisors (60573579).

116517621 is a wasteful number, since it uses less digits than its factorization.

116517621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269.

The product of its digits is 2520, while the sum is 30.

The square root of 116517621 is about 10794.3328186600. The cubic root of 116517621 is about 488.4242327367.

The spelling of 116517621 in words is "one hundred sixteen million, five hundred seventeen thousand, six hundred twenty-one".