7392812161 has 16 divisors (see below), whose sum is σ = 8566992000. Its totient is φ = 6248763648.

The previous prime is 7392812149. The next prime is 7392812183. The reversal of 7392812161 is 1612182937.

It is a cyclic number.

It is not a de Polignac number, because 7392812161 - 2⁹ = 7392811649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7392812111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119481 + ... + 170473.

It is an arithmetic number, because the mean of its divisors is an integer number (535437000).

Almost surely, 2^7392812161 is an apocalyptic number.

It is an amenable number.

7392812161 is a deficient number, since it is larger than the sum of its proper divisors (1174179839).

7392812161 is a wasteful number, since it uses less digits than its factorization.

7392812161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51288.

The product of its digits is 36288, while the sum is 40.

The square root of 7392812161 is about 85981.4640547601. The cubic root of 7392812161 is about 1948.0640142202.

The spelling of 7392812161 in words is "seven billion, three hundred ninety-two million, eight hundred twelve thousand, one hundred sixty-one".