18953162046 has 96 divisors (see below), whose sum is σ = 51032916480. Its totient is φ = 4950061632.

The previous prime is 18953162009. The next prime is 18953162071. The reversal of 18953162046 is 64026135981.

18953162046 is a `hidden beast` number, since 18 + 9 + 5 + 3 + 1 + 620 + 4 + 6 = 666.

It is a super-2 number, since 2×18953162046² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18953161992 and 18953162010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112545 + ... + 224883.

It is an arithmetic number, because the mean of its divisors is an integer number (531592880).

Almost surely, 2^18953162046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18953162046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25516458240).

18953162046 is an abundant number, since it is smaller than the sum of its proper divisors (32079754434).

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

18953162046 is a wasteful number, since it uses less digits than its factorization.

18953162046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112470 (or 112467 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 18953162046 in words is "eighteen billion, nine hundred fifty-three million, one hundred sixty-two thousand, forty-six".