2345662161 has 24 divisors (see below), whose sum is σ = 3442861760. Its totient is φ = 1538593056.

The previous prime is 2345662147. The next prime is 2345662177. The reversal of 2345662161 is 1612665432.

2345662161 is a `hidden beast` number, since 2 + 34 + 566 + 2 + 1 + 61 = 666.

It is not a de Polignac number, because 2345662161 - 2¹³ = 2345653969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345662661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 657300 + ... + 660858.

Almost surely, 2^2345662161 is an apocalyptic number.

It is an amenable number.

2345662161 is a deficient number, since it is larger than the sum of its proper divisors (1097199599).

2345662161 is a wasteful number, since it uses less digits than its factorization.

2345662161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725 (or 4722 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2345662161 is about 48432.0365151002. The cubic root of 2345662161 is about 1328.6843531536.

The spelling of 2345662161 in words is "two billion, three hundred forty-five million, six hundred sixty-two thousand, one hundred sixty-one".