163394511032 has 8 divisors (see below), whose sum is σ = 306364708200. Its totient is φ = 81697255512.

The previous prime is 163394511023. The next prime is 163394511047. The reversal of 163394511032 is 230115493361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212156932 + ... + 10212156947.

It is an arithmetic number, because the mean of its divisors is an integer number (38295588525).

Almost surely, 2^163394511032 is an apocalyptic number.

It is an amenable number.

163394511032 is a deficient number, since it is larger than the sum of its proper divisors (142970197168).

163394511032 is a wasteful number, since it uses less digits than its factorization.

163394511032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20424313885 (or 20424313881 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 163394511032 in words is "one hundred sixty-three billion, three hundred ninety-four million, five hundred eleven thousand, thirty-two".