7640160565 has 16 divisors (see below), whose sum is σ = 9233398080. Its totient is φ = 6068805120.

The previous prime is 7640160559. The next prime is 7640160571. The reversal of 7640160565 is 5650610467.

It is an interprime number because it is at equal distance from previous prime (7640160559) and next prime (7640160571).

It is not a de Polignac number, because 7640160565 - 2⁵ = 7640160533 is a prime.

It is a super-2 number, since 2×7640160565² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421285 + ... + 439045.

It is an arithmetic number, because the mean of its divisors is an integer number (577087380).

Almost surely, 2^7640160565 is an apocalyptic number.

It is an amenable number.

7640160565 is a deficient number, since it is larger than the sum of its proper divisors (1593237515).

7640160565 is a wasteful number, since it uses less digits than its factorization.

7640160565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18372.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 7640160565 is about 87408.0120183499. The cubic root of 7640160565 is about 1969.5521983715.

The spelling of 7640160565 in words is "seven billion, six hundred forty million, one hundred sixty thousand, five hundred sixty-five".