1566052552 has 8 divisors (see below), whose sum is σ = 2936348550. Its totient is φ = 783026272.

The previous prime is 1566052547. The next prime is 1566052591. The reversal of 1566052552 is 2552506651.

It can be written as a sum of positive squares in only one way, i.e., 1508079556 + 57972996 = 38834^2 + 7614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97878277 + ... + 97878292.

Almost surely, 2^1566052552 is an apocalyptic number.

It is an amenable number.

1566052552 is a deficient number, since it is larger than the sum of its proper divisors (1370295998).

1566052552 is a wasteful number, since it uses less digits than its factorization.

1566052552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195756575 (or 195756571 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 1566052552 is about 39573.3818620547. The cubic root of 1566052552 is about 1161.2759819734.

The spelling of 1566052552 in words is "one billion, five hundred sixty-six million, fifty-two thousand, five hundred fifty-two".