1536474664 has 32 divisors (see below), whose sum is σ = 2944230120. Its totient is φ = 751435776.

The previous prime is 1536474661. The next prime is 1536474677. The reversal of 1536474664 is 4664746351.

It can be written as a sum of positive squares in 4 ways, for example, as 1513988100 + 22486564 = 38910^2 + 4742^2 .

It is a super-2 number, since 2×1536474664² = 4721508786227825792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1536474661) 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, 137512 + ... + 148264.

Almost surely, 2^1536474664 is an apocalyptic number.

It is an amenable number.

1536474664 is a deficient number, since it is larger than the sum of its proper divisors (1407755456).

1536474664 is a wasteful number, since it uses less digits than its factorization.

1536474664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149 (or 11145 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The square root of 1536474664 is about 39197.8910657193. The cubic root of 1536474664 is about 1153.9184953855.

The spelling of 1536474664 in words is "one billion, five hundred thirty-six million, four hundred seventy-four thousand, six hundred sixty-four".