61192161 has 12 divisors (see below), whose sum is σ = 88680592. Its totient is φ = 40660056.

The previous prime is 61192133. The next prime is 61192181. The reversal of 61192161 is 16129116.

It is not a de Polignac number, because 61192161 - 2⁶ = 61192097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61192181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8311 + ... + 13836.

Almost surely, 2^61192161 is an apocalyptic number.

It is an amenable number.

61192161 is a deficient number, since it is larger than the sum of its proper divisors (27488431).

61192161 is a wasteful number, since it uses less digits than its factorization.

61192161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22460 (or 22457 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 61192161 is about 7822.5418503195. The cubic root of 61192161 is about 394.0626408860.

The spelling of 61192161 in words is "sixty-one million, one hundred ninety-two thousand, one hundred sixty-one".