1923410664 has 128 divisors (see below), whose sum is σ = 6271276800. Its totient is φ = 534677760.

The previous prime is 1923410663. The next prime is 1923410743. The reversal of 1923410664 is 4660143291.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1923410663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38754 + ... + 73134.

It is an arithmetic number, because the mean of its divisors is an integer number (48994350).

Almost surely, 2^1923410664 is an apocalyptic number.

1923410664 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 1923410664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3135638400).

1923410664 is an abundant number, since it is smaller than the sum of its proper divisors (4347866136).

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

1923410664 is a wasteful number, since it uses less digits than its factorization.

1923410664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34440 (or 34430 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1923410664 is about 43856.7060322592. The cubic root of 1923410664 is about 1243.6285202295.

The spelling of 1923410664 in words is "one billion, nine hundred twenty-three million, four hundred ten thousand, six hundred sixty-four".