116961620 has 24 divisors (see below), whose sum is σ = 245846664. Its totient is φ = 46741376.

The previous prime is 116961617. The next prime is 116961629. The reversal of 116961620 is 26169611.

It can be written as a sum of positive squares in 4 ways, for example, as 48469444 + 68492176 = 6962^2 + 8276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116961629) 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, 27902 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (10243611).

Almost surely, 2^116961620 is an apocalyptic number.

116961620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116961620 is an abundant number, since it is smaller than the sum of its proper divisors (128885044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116961620 is a wasteful number, since it uses less digits than its factorization.

116961620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419 (or 5417 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 116961620 is about 10814.8795647478. The cubic root of 116961620 is about 489.0438385874.

The spelling of 116961620 in words is "one hundred sixteen million, nine hundred sixty-one thousand, six hundred twenty".