7161620512 has 24 divisors (see below), whose sum is σ = 14102054316. Its totient is φ = 3580146432.

The previous prime is 7161620509. The next prime is 7161620519. The reversal of 7161620512 is 2150261617.

It can be written as a sum of positive squares in 2 ways, for example, as 6869757456 + 291863056 = 82884^2 + 17084^2 .

It is not an unprimeable number, because it can be changed into a prime (7161620519) 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, 186378 + ... + 221494.

Almost surely, 2^7161620512 is an apocalyptic number.

It is an amenable number.

7161620512 is a deficient number, since it is larger than the sum of its proper divisors (6940433804).

7161620512 is a wasteful number, since it uses less digits than its factorization.

7161620512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41500 (or 41492 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 7161620512 is about 84626.3582579329. The cubic root of 7161620512 is about 1927.5416373343.

The spelling of 7161620512 in words is "seven billion, one hundred sixty-one million, six hundred twenty thousand, five hundred twelve".