1552131466 has 4 divisors (see below), whose sum is σ = 2328197202. Its totient is φ = 776065732.

The previous prime is 1552131437. The next prime is 1552131523. The reversal of 1552131466 is 6641312551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 925680625 + 626450841 = 30425^2 + 25029^2 .

It is a super-2 number, since 2×1552131466² = 4818224175494618312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388032865 + ... + 388032868.

Almost surely, 2^1552131466 is an apocalyptic number.

1552131466 is a deficient number, since it is larger than the sum of its proper divisors (776065736).

1552131466 is an equidigital number, since it uses as much as digits as its factorization.

1552131466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776065735.

The product of its digits is 21600, while the sum is 34.

The square root of 1552131466 is about 39397.0997155882. The cubic root of 1552131466 is about 1157.8247647036.

The spelling of 1552131466 in words is "one billion, five hundred fifty-two million, one hundred thirty-one thousand, four hundred sixty-six".