163215102545 has 96 divisors (see below), whose sum is σ = 240501623040. Its totient is φ = 105593241600.

The previous prime is 163215102493. The next prime is 163215102553. The reversal of 163215102545 is 545201512361.

It is not a de Polignac number, because 163215102545 - 2²² = 163210908241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 125260364 + ... + 125261666.

It is an arithmetic number, because the mean of its divisors is an integer number (2505225240).

Almost surely, 2^163215102545 is an apocalyptic number.

It is an amenable number.

163215102545 is a deficient number, since it is larger than the sum of its proper divisors (77286520495).

163215102545 is a wasteful number, since it uses less digits than its factorization.

163215102545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 163215102545 in words is "one hundred sixty-three billion, two hundred fifteen million, one hundred two thousand, five hundred forty-five".