1602634641 has 16 divisors (see below), whose sum is σ = 2267550720. Its totient is φ = 1004645840.

The previous prime is 1602634637. The next prime is 1602634661. The reversal of 1602634641 is 1464362061.

It is a cyclic number.

It is not a de Polignac number, because 1602634641 - 2² = 1602634637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1602634601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192765 + ... + 200906.

It is an arithmetic number, because the mean of its divisors is an integer number (141721920).

Almost surely, 2^1602634641 is an apocalyptic number.

It is an amenable number.

1602634641 is a deficient number, since it is larger than the sum of its proper divisors (664916079).

1602634641 is a wasteful number, since it uses less digits than its factorization.

1602634641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393756.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1602634641 is about 40032.9194663592. The cubic root of 1602634641 is about 1170.2487213208.

The spelling of 1602634641 in words is "one billion, six hundred two million, six hundred thirty-four thousand, six hundred forty-one".