1631552551362 has 12 divisors (see below), whose sum is σ = 3535030527990. Its totient is φ = 543850850448.

The previous prime is 1631552551351. The next prime is 1631552551457. The reversal of 1631552551362 is 2631552551361.

1631552551362 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 55 + 25 + 513 + 62 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1226930613561 + 404621937801 = 1107669^2 + 636099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45320904187 + ... + 45320904222.

Almost surely, 2^{1631552551362} is an apocalyptic number.

1631552551362 is an abundant number, since it is smaller than the sum of its proper divisors (1903477976628).

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

1631552551362 is a wasteful number, since it uses less digits than its factorization.

1631552551362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90641808417 (or 90641808414 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

Subtracting 1631552551362 from its reverse (2631552551361), we obtain a palindrome (999999999999).

The spelling of 1631552551362 in words is "one trillion, six hundred thirty-one billion, five hundred fifty-two million, five hundred fifty-one thousand, three hundred sixty-two".