1534315664 has 40 divisors (see below), whose sum is σ = 3576229440. Its totient is φ = 622954368.

The previous prime is 1534315663. The next prime is 1534315703. The reversal of 1534315664 is 4665134351.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1534315663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358379 + ... + 362634.

It is an arithmetic number, because the mean of its divisors is an integer number (89405736).

Almost surely, 2^1534315664 is an apocalyptic number.

1534315664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1534315664 is an abundant number, since it is smaller than the sum of its proper divisors (2041913776).

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

1534315664 is a wasteful number, since it uses less digits than its factorization.

1534315664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721047 (or 721041 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 1534315664 is about 39170.3416375196. The cubic root of 1534315664 is about 1153.3777601770.

The spelling of 1534315664 in words is "one billion, five hundred thirty-four million, three hundred fifteen thousand, six hundred sixty-four".