162545521400 has 96 divisors (see below), whose sum is σ = 389508857040. Its totient is φ = 63036610560.

The previous prime is 162545521399. The next prime is 162545521423. The reversal of 162545521400 is 4125545261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2055392 + ... + 2133008.

Almost surely, 2^162545521400 is an apocalyptic number.

162545521400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162545521400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194754428520).

162545521400 is an abundant number, since it is smaller than the sum of its proper divisors (226963335640).

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

162545521400 is a wasteful number, since it uses less digits than its factorization.

162545521400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77953 (or 77944 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 162545521400 in words is "one hundred sixty-two billion, five hundred forty-five million, five hundred twenty-one thousand, four hundred".