162461190640 has 80 divisors (see below), whose sum is σ = 435956829120. Its totient is φ = 55149465600.

The previous prime is 162461190631. The next prime is 162461190653. The reversal of 162461190640 is 46091164261.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 162461190593 and 162461190602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379625 + ... + 1492744.

It is an arithmetic number, because the mean of its divisors is an integer number (5449460364).

Almost surely, 2^162461190640 is an apocalyptic number.

162461190640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162461190640 is an abundant number, since it is smaller than the sum of its proper divisors (273495638480).

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

162461190640 is a wasteful number, since it uses less digits than its factorization.

162461190640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872490 (or 2872484 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 162461190640 in words is "one hundred sixty-two billion, four hundred sixty-one million, one hundred ninety thousand, six hundred forty".