165055701050 has 24 divisors (see below), whose sum is σ = 307307963100. Its totient is φ = 65956826880.

The previous prime is 165055701049. The next prime is 165055701053. The reversal of 165055701050 is 50107550561.

It can be written as a sum of positive squares in 6 ways, for example, as 15123342529 + 149932358521 = 122977^2 + 387211^2 .

It is a super-2 number, since 2×165055701050² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165055701050.

It is not an unprimeable number, because it can be changed into a prime (165055701053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585385 + ... + 1686284.

Almost surely, 2^165055701050 is an apocalyptic number.

165055701050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165055701050 is a deficient number, since it is larger than the sum of its proper divisors (142252262050).

165055701050 is a wasteful number, since it uses less digits than its factorization.

165055701050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272690 (or 3272685 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 165055701050 in words is "one hundred sixty-five billion, fifty-five million, seven hundred one thousand, fifty".