1630518354 has 24 divisors (see below), whose sum is σ = 3539154060. Its totient is φ = 542527008.

The previous prime is 1630518353. The next prime is 1630518413. The reversal of 1630518354 is 4538150361.

1630518354 is a `hidden beast` number, since 1 + 630 + 5 + 18 + 3 + 5 + 4 = 666.

1630518354 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1630302129 + 216225 = 40377^2 + 465^2 .

It is not an unprimeable number, because it can be changed into a prime (1630518353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71289 + ... + 91340.

Almost surely, 2^1630518354 is an apocalyptic number.

1630518354 is an abundant number, since it is smaller than the sum of its proper divisors (1908635706).

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

1630518354 is a wasteful number, since it uses less digits than its factorization.

1630518354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163194 (or 163191 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1630518354 is about 40379.6774875679. The cubic root of 1630518354 is about 1176.9966604709.

It can be divided in two parts, 163051 and 8354, that added together give a triangular number (171405 = T₅₈₅).

The spelling of 1630518354 in words is "one billion, six hundred thirty million, five hundred eighteen thousand, three hundred fifty-four".