1630351087 has 16 divisors (see below), whose sum is σ = 1750780800. Its totient is φ = 1515306240.

The previous prime is 1630351043. The next prime is 1630351097. The reversal of 1630351087 is 7801530361.

It is a cyclic number.

It is not a de Polignac number, because 1630351087 - 2⁷ = 1630350959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630351007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73339 + ... + 92947.

It is an arithmetic number, because the mean of its divisors is an integer number (109423800).

Almost surely, 2^1630351087 is an apocalyptic number.

1630351087 is a deficient number, since it is larger than the sum of its proper divisors (120429713).

1630351087 is a wasteful number, since it uses less digits than its factorization.

1630351087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1630351087 is about 40377.6062564387. The cubic root of 1630351087 is about 1176.9564116277.

The spelling of 1630351087 in words is "one billion, six hundred thirty million, three hundred fifty-one thousand, eighty-seven".