165154005740 has 24 divisors (see below), whose sum is σ = 347045942880. Its totient is φ = 66019215488.

The previous prime is 165154005713. The next prime is 165154005761. The reversal of 165154005740 is 47500451561.

It is a super-2 number, since 2×165154005740² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165154005694 and 165154005703.

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, 2617217 + ... + 2679576.

It is an arithmetic number, because the mean of its divisors is an integer number (14460247620).

Almost surely, 2^165154005740 is an apocalyptic number.

165154005740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165154005740 is an abundant number, since it is smaller than the sum of its proper divisors (181891937140).

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

165154005740 is a wasteful number, since it uses less digits than its factorization.

165154005740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5298361 (or 5298359 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 165154005740 in words is "one hundred sixty-five billion, one hundred fifty-four million, five thousand, seven hundred forty".