2073155664 has 80 divisors (see below), whose sum is σ = 5654638080. Its totient is φ = 652694400.

The previous prime is 2073155653. The next prime is 2073155687. The reversal of 2073155664 is 4665513702.

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, 313189 + ... + 319739.

It is an arithmetic number, because the mean of its divisors is an integer number (70682976).

Almost surely, 2^2073155664 is an apocalyptic number.

2073155664 is a gapful number since it is divisible by the number (24) 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 2073155664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827319040).

2073155664 is an abundant number, since it is smaller than the sum of its proper divisors (3581482416).

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

2073155664 is a wasteful number, since it uses less digits than its factorization.

2073155664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928 (or 6922 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2073155664 is about 45531.9191776494. The cubic root of 2073155664 is about 1275.0991928979.

The spelling of 2073155664 in words is "two billion, seventy-three million, one hundred fifty-five thousand, six hundred sixty-four".