97011660 has 24 divisors (see below), whose sum is σ = 271632816. Its totient is φ = 25869760.

The previous prime is 97011659. The next prime is 97011661. The reversal of 97011660 is 6611079.

It is an interprime number because it is at equal distance from previous prime (97011659) and next prime (97011661).

It is a super-2 number, since 2×97011660² = 18822524351911200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (97011661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808371 + ... + 808490.

It is an arithmetic number, because the mean of its divisors is an integer number (11318034).

Almost surely, 2^97011660 is an apocalyptic number.

It is an amenable number.

97011660 is an abundant number, since it is smaller than the sum of its proper divisors (174621156).

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

97011660 is a wasteful number, since it uses less digits than its factorization.

97011660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616873 (or 1616871 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 97011660 is about 9849.4497308225. The cubic root of 97011660 is about 459.4884988653.

The spelling of 97011660 in words is "ninety-seven million, eleven thousand, six hundred sixty".