165076439616 has 693 divisors, whose sum is σ = 570008972883. Its totient is φ = 47390365440.

The previous prime is 165076439611. The next prime is 165076439653. The reversal of 165076439616 is 616934670561.

It is a happy number.

The square root of 165076439616 is 406296.

It is a perfect power (a square), and thus also a powerful number.

165076439616 is a `hidden beast` number, since 1 + 6 + 507 + 6 + 43 + 96 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (165076439611) by changing a digit.

It is a polite number, since it can be written in 98 ways as a sum of consecutive naturals, for example, 8688233655 + ... + 8688233673.

Almost surely, 2^165076439616 is an apocalyptic number.

165076439616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

165076439616 is the 406296-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165076439616

165076439616 is an abundant number, since it is smaller than the sum of its proper divisors (404932533267).

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

165076439616 is an frugal number, since it uses more digits than its factorization.

165076439616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 165076439616 in words is "one hundred sixty-five billion, seventy-six million, four hundred thirty-nine thousand, six hundred sixteen".