162780427264 has 264 divisors, whose sum is σ = 410415115488. Its totient is φ = 63959777280.

The previous prime is 162780427253. The next prime is 162780427273. The reversal of 162780427264 is 462724087261.

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 106322179 + ... + 106323709.

Almost surely, 2^162780427264 is an apocalyptic number.

162780427264 is a gapful number since it is divisible by the number (14) 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 162780427264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205207557744).

162780427264 is an abundant number, since it is smaller than the sum of its proper divisors (247634688224).

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

162780427264 is a wasteful number, since it uses less digits than its factorization.

162780427264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 162780427264 in words is "one hundred sixty-two billion, seven hundred eighty million, four hundred twenty-seven thousand, two hundred sixty-four".