1634553652 has 12 divisors (see below), whose sum is σ = 2860969860. Its totient is φ = 817133696.

The previous prime is 1634553649. The next prime is 1634553707. The reversal of 1634553652 is 2563554361.

It can be written as a sum of positive squares in 2 ways, for example, as 1526933776 + 107619876 = 39076^2 + 10374^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7627 + ... + 57682.

It is an arithmetic number, because the mean of its divisors is an integer number (238414155).

Almost surely, 2^1634553652 is an apocalyptic number.

It is an amenable number.

1634553652 is a deficient number, since it is larger than the sum of its proper divisors (1226416208).

1634553652 is a wasteful number, since it uses less digits than its factorization.

1634553652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71570 (or 71568 counting only the distinct ones).

The product of its digits is 324000, while the sum is 40.

The square root of 1634553652 is about 40429.6135524445. The cubic root of 1634553652 is about 1177.9668262878.

The spelling of 1634553652 in words is "one billion, six hundred thirty-four million, five hundred fifty-three thousand, six hundred fifty-two".