1639674102 has 16 divisors (see below), whose sum is σ = 3577470912. Its totient is φ = 496870920.

The previous prime is 1639674073. The next prime is 1639674109. The reversal of 1639674102 is 2014769361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1639674109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12421708 + ... + 12421839.

It is an arithmetic number, because the mean of its divisors is an integer number (223591932).

Almost surely, 2^1639674102 is an apocalyptic number.

1639674102 is an abundant number, since it is smaller than the sum of its proper divisors (1937796810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1639674102 is a wasteful number, since it uses less digits than its factorization.

1639674102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24843563.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1639674102 is about 40492.8895239646. The cubic root of 1639674102 is about 1179.1955884000.

The spelling of 1639674102 in words is "one billion, six hundred thirty-nine million, six hundred seventy-four thousand, one hundred two".