2621167472 has 160 divisors (see below), whose sum is σ = 6481728000. Its totient is φ = 997401600.

The previous prime is 2621167447. The next prime is 2621167513. The reversal of 2621167472 is 2747611262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17591654 + ... + 17591802.

It is an arithmetic number, because the mean of its divisors is an integer number (40510800).

Almost surely, 2^2621167472 is an apocalyptic number.

2621167472 is a gapful number since it is divisible by the number (22) 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 2621167472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3240864000).

2621167472 is an abundant number, since it is smaller than the sum of its proper divisors (3860560528).

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

2621167472 is a wasteful number, since it uses less digits than its factorization.

2621167472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 409 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 2621167472 is about 51197.3385245757. The cubic root of 2621167472 is about 1378.7904180816.

The spelling of 2621167472 in words is "two billion, six hundred twenty-one million, one hundred sixty-seven thousand, four hundred seventy-two".