16403061634 has 16 divisors (see below), whose sum is σ = 25271255520. Its totient is φ = 7980366240.

The previous prime is 16403061599. The next prime is 16403061659. The reversal of 16403061634 is 43616030461.

It is a self number, because there is not a number n which added to its sum of digits gives 16403061634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232824 + ... + 294979.

It is an arithmetic number, because the mean of its divisors is an integer number (1579453470).

Almost surely, 2^16403061634 is an apocalyptic number.

16403061634 is a deficient number, since it is larger than the sum of its proper divisors (8868193886).

16403061634 is a wasteful number, since it uses less digits than its factorization.

16403061634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528225.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 16403061634 in words is "sixteen billion, four hundred three million, sixty-one thousand, six hundred thirty-four".