1797164928 has 384 divisors, whose sum is σ = 6114981600. Its totient is φ = 517570560.

The previous prime is 1797164921. The next prime is 1797164939. The reversal of 1797164928 is 8294617971.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (1524096) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797164921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9928998 + ... + 9929178.

Almost surely, 2^1797164928 is an apocalyptic number.

1797164928 is a gapful number since it is divisible by the number (18) 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 1797164928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057490800).

1797164928 is an abundant number, since it is smaller than the sum of its proper divisors (4317816672).

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

1797164928 is a wasteful number, since it uses less digits than its factorization.

1797164928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 216 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 1797164928 is about 42392.9820607138. The cubic root of 1797164928 is about 1215.8014160938.

The spelling of 1797164928 in words is "one billion, seven hundred ninety-seven million, one hundred sixty-four thousand, nine hundred twenty-eight".