1630472255 has 8 divisors (see below), whose sum is σ = 1964965392. Its totient is φ = 1298778688.

The previous prime is 1630472203. The next prime is 1630472287. The reversal of 1630472255 is 5522740361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1630472255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698609 + ... + 700938.

It is an arithmetic number, because the mean of its divisors is an integer number (245620674).

Almost surely, 2^1630472255 is an apocalyptic number.

1630472255 is a deficient number, since it is larger than the sum of its proper divisors (334493137).

1630472255 is a wasteful number, since it uses less digits than its factorization.

1630472255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399785.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1630472255 is about 40379.1066642144. The cubic root of 1630472255 is about 1176.9855681128.

The spelling of 1630472255 in words is "one billion, six hundred thirty million, four hundred seventy-two thousand, two hundred fifty-five".