162057906640 has 40 divisors (see below), whose sum is σ = 430611010560. Its totient is φ = 55562710656.

The previous prime is 162057906613. The next prime is 162057906677. The reversal of 162057906640 is 46609750261.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 144694000 + ... + 144695119.

It is an arithmetic number, because the mean of its divisors is an integer number (10765275264).

Almost surely, 2^162057906640 is an apocalyptic number.

162057906640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162057906640 is an abundant number, since it is smaller than the sum of its proper divisors (268553103920).

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

162057906640 is a wasteful number, since it uses less digits than its factorization.

162057906640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289389139 (or 289389133 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 162057906640 in words is "one hundred sixty-two billion, fifty-seven million, nine hundred six thousand, six hundred forty".