18501685003350 has 72 divisors (see below), whose sum is σ = 49730426753592. Its totient is φ = 4931542828800.

The previous prime is 18501685003349. The next prime is 18501685003427. The reversal of 18501685003350 is 5330058610581.

18501685003350 is a `hidden beast` number, since 1 + 8 + 5 + 0 + 1 + 68 + 500 + 33 + 50 = 666.

It is a super-2 number, since 2×18501685003350² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 18501685003296 and 18501685003305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8340211 + ... + 10322910.

Almost surely, 2^{18501685003350} is an apocalyptic number.

18501685003350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18501685003350 is an abundant number, since it is smaller than the sum of its proper divisors (31228741750242).

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

18501685003350 is a wasteful number, since it uses less digits than its factorization.

18501685003350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18665342 (or 18665334 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 18501685003350 in words is "eighteen trillion, five hundred one billion, six hundred eighty-five million, three thousand, three hundred fifty".