116161500 has 384 divisors, whose sum is σ = 446164992. Its totient is φ = 22809600.

The previous prime is 116161483. The next prime is 116161511. The reversal of 116161500 is 5161611.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3139482 + ... + 3139518.

It is an arithmetic number, because the mean of its divisors is an integer number (1161888).

Almost surely, 2^116161500 is an apocalyptic number.

116161500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116161500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223082496).

116161500 is an abundant number, since it is smaller than the sum of its proper divisors (330003492).

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

116161500 is a wasteful number, since it uses less digits than its factorization.

116161500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 116161500 is about 10777.8244557981. The cubic root of 116161500 is about 487.9261231443.

The spelling of 116161500 in words is "one hundred sixteen million, one hundred sixty-one thousand, five hundred".