2640152667 has 16 divisors (see below), whose sum is σ = 3604561920. Its totient is φ = 1718119872.

The previous prime is 2640152633. The next prime is 2640152687. The reversal of 2640152667 is 7662510462.

It is not a de Polignac number, because 2640152667 - 2¹² = 2640148571 is a prime.

It is a super-2 number, since 2×2640152667² = 13940812210134425778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2640152617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29559 + ... + 78447.

It is an arithmetic number, because the mean of its divisors is an integer number (225285120).

Almost surely, 2^2640152667 is an apocalyptic number.

2640152667 is a deficient number, since it is larger than the sum of its proper divisors (964409253).

2640152667 is a wasteful number, since it uses less digits than its factorization.

2640152667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49322.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2640152667 is about 51382.4159319120. The cubic root of 2640152667 is about 1382.1112867408. Note that the first 3 decimals are identical.

The spelling of 2640152667 in words is "two billion, six hundred forty million, one hundred fifty-two thousand, six hundred sixty-seven".