1630112790 has 32 divisors (see below), whose sum is σ = 4118181120. Its totient is φ = 411817824.

The previous prime is 1630112761. The next prime is 1630112791. The reversal of 1630112790 is 972110361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630112791) 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, 1429354 + ... + 1430493.

It is an arithmetic number, because the mean of its divisors is an integer number (128693160).

Almost surely, 2^1630112790 is an apocalyptic number.

1630112790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1630112790 is an abundant number, since it is smaller than the sum of its proper divisors (2488068330).

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

1630112790 is a wasteful number, since it uses less digits than its factorization.

1630112790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859876.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1630112790 is about 40374.6552926462. The cubic root of 1630112790 is about 1176.8990663418.

The spelling of 1630112790 in words is "one billion, six hundred thirty million, one hundred twelve thousand, seven hundred ninety".