1636634106 has 16 divisors (see below), whose sum is σ = 3636964800. Its totient is φ = 545544684.

The previous prime is 1636634101. The next prime is 1636634113. The reversal of 1636634106 is 6014366361.

1636634106 is a `hidden beast` number, since 1 + 6 + 3 + 6 + 634 + 10 + 6 = 666.

1636634106 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1636634101) 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, 15153966 + ... + 15154073.

It is an arithmetic number, because the mean of its divisors is an integer number (227310300).

Almost surely, 2^1636634106 is an apocalyptic number.

1636634106 is an abundant number, since it is smaller than the sum of its proper divisors (2000330694).

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

1636634106 is a wasteful number, since it uses less digits than its factorization.

1636634106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30308050 (or 30308044 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 1636634106 is about 40455.3347038434. The cubic root of 1636634106 is about 1178.4663850465.

The spelling of 1636634106 in words is "one billion, six hundred thirty-six million, six hundred thirty-four thousand, one hundred six".