18537016970 has 8 divisors (see below), whose sum is σ = 33366630564. Its totient is φ = 7414806784.

The previous prime is 18537016963. The next prime is 18537016973. The reversal of 18537016970 is 7961073581.

It can be written as a sum of positive squares in 2 ways, for example, as 18173466481 + 363550489 = 134809^2 + 19067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18537016973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926850839 + ... + 926850858.

Almost surely, 2^18537016970 is an apocalyptic number.

18537016970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18537016970 is a deficient number, since it is larger than the sum of its proper divisors (14829613594).

18537016970 is a wasteful number, since it uses less digits than its factorization.

18537016970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853701704.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 18537016970 in words is "eighteen billion, five hundred thirty-seven million, sixteen thousand, nine hundred seventy".