7640320162 has 8 divisors (see below), whose sum is σ = 11482478892. Its totient is φ = 3812827200.

The previous prime is 7640320123. The next prime is 7640320199. The reversal of 7640320162 is 2610230467.

It can be written as a sum of positive squares in 2 ways, for example, as 5964318441 + 1676001721 = 77229^2 + 40939^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665139 + ... + 3667222.

Almost surely, 2^7640320162 is an apocalyptic number.

7640320162 is a deficient number, since it is larger than the sum of its proper divisors (3842158730).

7640320162 is a wasteful number, since it uses less digits than its factorization.

7640320162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332884.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7640320162 is about 87408.9249562080. The cubic root of 7640320162 is about 1969.5659124128.

The spelling of 7640320162 in words is "seven billion, six hundred forty million, three hundred twenty thousand, one hundred sixty-two".