1634903172916 has 24 divisors (see below), whose sum is σ = 3097295437824. Its totient is φ = 750620058720.

The previous prime is 1634903172797. The next prime is 1634903172919. The reversal of 1634903172916 is 6192713094361.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634903172919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82294900 + ... + 82314763.

It is an arithmetic number, because the mean of its divisors is an integer number (129053976576).

Almost surely, 2^{1634903172916} is an apocalyptic number.

It is an amenable number.

1634903172916 is a deficient number, since it is larger than the sum of its proper divisors (1462392264908).

1634903172916 is a wasteful number, since it uses less digits than its factorization.

1634903172916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164609871 (or 164609869 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 1634903172916 in words is "one trillion, six hundred thirty-four billion, nine hundred three million, one hundred seventy-two thousand, nine hundred sixteen".