17900494516 has 12 divisors (see below), whose sum is σ = 31370053540. Its totient is φ = 8937622080.

The previous prime is 17900494489. The next prime is 17900494583. The reversal of 17900494516 is 61549400971.

It can be written as a sum of positive squares in 2 ways, for example, as 856147600 + 17044346916 = 29260^2 + 130554^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153105 + ... + 3158776.

Almost surely, 2^17900494516 is an apocalyptic number.

It is an amenable number.

17900494516 is a deficient number, since it is larger than the sum of its proper divisors (13469559024).

17900494516 is a wasteful number, since it uses less digits than its factorization.

17900494516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312594 (or 6312592 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

It can be divided in two parts, 1790049 and 4516, that added together give a triangular number (1794565 = T₁₈₉₄).

The spelling of 17900494516 in words is "seventeen billion, nine hundred million, four hundred ninety-four thousand, five hundred sixteen".