97151161 has 4 divisors (see below), whose sum is σ = 102264400. Its totient is φ = 92037924.

The previous prime is 97151077. The next prime is 97151167. The reversal of 97151161 is 16115179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97151161 - 2¹¹ = 97149113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97151167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556591 + ... + 2556628.

It is an arithmetic number, because the mean of its divisors is an integer number (25566100).

Almost surely, 2^97151161 is an apocalyptic number.

It is an amenable number.

97151161 is a deficient number, since it is larger than the sum of its proper divisors (5113239).

97151161 is a wasteful number, since it uses less digits than its factorization.

97151161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113238.

The product of its digits is 1890, while the sum is 31.

The square root of 97151161 is about 9856.5288514771. The cubic root of 97151161 is about 459.7086387439.

The spelling of 97151161 in words is "ninety-seven million, one hundred fifty-one thousand, one hundred sixty-one".