163045720432 has 40 divisors (see below), whose sum is σ = 361061712000. Its totient is φ = 69870562752.

The previous prime is 163045720421. The next prime is 163045720451. The reversal of 163045720432 is 234027540361.

It is a junction number, because it is equal to n+sod(n) for n = 163045720391 and 163045720400.

It is a congruent number.

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, 1346319 + ... + 1462417.

It is an arithmetic number, because the mean of its divisors is an integer number (9026542800).

Almost surely, 2^163045720432 is an apocalyptic number.

It is an amenable number.

163045720432 is an abundant number, since it is smaller than the sum of its proper divisors (198015991568).

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

163045720432 is a wasteful number, since it uses less digits than its factorization.

163045720432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128653 (or 128647 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 163045720432 in words is "one hundred sixty-three billion, forty-five million, seven hundred twenty thousand, four hundred thirty-two".