2645157662 has 8 divisors (see below), whose sum is σ = 4534556016. Its totient is φ = 1133638992.

The previous prime is 2645157661. The next prime is 2645157673. The reversal of 2645157662 is 2667515462.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645157661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94469903 + ... + 94469930.

It is an arithmetic number, because the mean of its divisors is an integer number (566819502).

Almost surely, 2^2645157662 is an apocalyptic number.

2645157662 is a deficient number, since it is larger than the sum of its proper divisors (1889398354).

2645157662 is a wasteful number, since it uses less digits than its factorization.

2645157662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188939842.

The product of its digits is 604800, while the sum is 44.

The square root of 2645157662 is about 51431.0962550868. The cubic root of 2645157662 is about 1382.9841016062.

The spelling of 2645157662 in words is "two billion, six hundred forty-five million, one hundred fifty-seven thousand, six hundred sixty-two".