165151651496 has 64 divisors (see below), whose sum is σ = 351260884800. Its totient is φ = 72164736000.

The previous prime is 165151651487. The next prime is 165151651517. The reversal of 165151651496 is 694156151561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3077696 + ... + 3130896.

It is an arithmetic number, because the mean of its divisors is an integer number (5488451325).

Almost surely, 2^165151651496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165151651496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175630442400).

165151651496 is an abundant number, since it is smaller than the sum of its proper divisors (186109233304).

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

165151651496 is a wasteful number, since it uses less digits than its factorization.

165151651496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54810 (or 54806 counting only the distinct ones).

The product of its digits is 972000, while the sum is 50.

The spelling of 165151651496 in words is "one hundred sixty-five billion, one hundred fifty-one million, six hundred fifty-one thousand, four hundred ninety-six".