163727740915 has 8 divisors (see below), whose sum is σ = 196476654528. Its totient is φ = 130979949120.

The previous prime is 163727740903. The next prime is 163727740931. The reversal of 163727740915 is 519047727361.

It is a happy number.

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

It is not a de Polignac number, because 163727740915 - 2¹⁵ = 163727708147 is a prime.

It is a Duffinian 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, 83599 + ... + 578311.

It is an arithmetic number, because the mean of its divisors is an integer number (24559581816).

Almost surely, 2^163727740915 is an apocalyptic number.

163727740915 is a deficient number, since it is larger than the sum of its proper divisors (32748913613).

163727740915 is an equidigital number, since it uses as much as digits as its factorization.

163727740915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560909.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 163727740915 in words is "one hundred sixty-three billion, seven hundred twenty-seven million, seven hundred forty thousand, nine hundred fifteen".