65162797090 has 8 divisors (see below), whose sum is σ = 117293034780. Its totient is φ = 26065118832.

The previous prime is 65162797079. The next prime is 65162797099. The reversal of 65162797090 is 9079726156.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63833538409 + 1329258681 = 252653^2 + 36459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (65162797099) 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, 3258139845 + ... + 3258139864.

Almost surely, 2^65162797090 is an apocalyptic number.

65162797090 is a deficient number, since it is larger than the sum of its proper divisors (52130237690).

65162797090 is a wasteful number, since it uses less digits than its factorization.

65162797090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516279716.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 65162797090 in words is "sixty-five billion, one hundred sixty-two million, seven hundred ninety-seven thousand, ninety".