97261718118 has 32 divisors (see below), whose sum is σ = 201838866432. Its totient is φ = 31212172800.

The previous prime is 97261718117. The next prime is 97261718137. The reversal of 97261718118 is 81181716279.

It is a super-2 number, since 2×97261718118² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97261718117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1318798 + ... + 1390593.

It is an arithmetic number, because the mean of its divisors is an integer number (6307464576).

Almost surely, 2^97261718118 is an apocalyptic number.

97261718118 is an abundant number, since it is smaller than the sum of its proper divisors (104577148314).

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

97261718118 is a wasteful number, since it uses less digits than its factorization.

97261718118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709620.

The product of its digits is 338688, while the sum is 51.

The spelling of 97261718118 in words is "ninety-seven billion, two hundred sixty-one million, seven hundred eighteen thousand, one hundred eighteen".