117236901690 has 64 divisors (see below), whose sum is σ = 313435699200. Its totient is φ = 31182777792.

The previous prime is 117236901659. The next prime is 117236901721. The reversal of 117236901690 is 96109632711.

It is an interprime number because it is at equal distance from previous prime (117236901659) and next prime (117236901721).

It is a super-2 number, since 2×117236901690² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453082 + ... + 663141.

It is an arithmetic number, because the mean of its divisors is an integer number (4897432800).

Almost surely, 2^117236901690 is an apocalyptic number.

117236901690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117236901690 is an abundant number, since it is smaller than the sum of its proper divisors (196198797510).

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

117236901690 is a wasteful number, since it uses less digits than its factorization.

117236901690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116628 (or 1116622 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 117236901690 in words is "one hundred seventeen billion, two hundred thirty-six million, nine hundred one thousand, six hundred ninety".