165070361274 has 128 divisors (see below), whose sum is σ = 409491210240. Its totient is φ = 43197076224.

The previous prime is 165070361251. The next prime is 165070361311. The reversal of 165070361274 is 472163070561.

It is a happy number.

It is a super-2 number, since 2×165070361274² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57334567 + ... + 57337445.

It is an arithmetic number, because the mean of its divisors is an integer number (3199150080).

Almost surely, 2^165070361274 is an apocalyptic number.

165070361274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 165070361274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204745605120).

165070361274 is an abundant number, since it is smaller than the sum of its proper divisors (244420848966).

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

165070361274 is a wasteful number, since it uses less digits than its factorization.

165070361274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 165070361274 in words is "one hundred sixty-five billion, seventy million, three hundred sixty-one thousand, two hundred seventy-four".