162665161025240 has 16 divisors (see below), whose sum is σ = 365996612306880. Its totient is φ = 65066064410080.

The previous prime is 162665161025201. The next prime is 162665161025333. The reversal of 162665161025240 is 42520161566261.

It is a super-2 number, since 2×162665161025240² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033314512776 + ... + 2033314512855.

It is an arithmetic number, because the mean of its divisors is an integer number (22874788269180).

Almost surely, 2^{162665161025240} is an apocalyptic number.

162665161025240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162665161025240 is an abundant number, since it is smaller than the sum of its proper divisors (203331451281640).

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

162665161025240 is a wasteful number, since it uses less digits than its factorization.

162665161025240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066629025642 (or 4066629025638 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 162665161025240 in words is "one hundred sixty-two trillion, six hundred sixty-five billion, one hundred sixty-one million, twenty-five thousand, two hundred forty".