1630153154 has 32 divisors (see below), whose sum is σ = 2968016256. Its totient is φ = 655522560.

The previous prime is 1630153139. The next prime is 1630153157. The reversal of 1630153154 is 4513510361.

It is a super-2 number, since 2×1630153154² = 5314798610992295432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1630153157) 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, 68432 + ... + 89124.

It is an arithmetic number, because the mean of its divisors is an integer number (92750508).

Almost surely, 2^1630153154 is an apocalyptic number.

1630153154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1630153154 is a deficient number, since it is larger than the sum of its proper divisors (1337863102).

1630153154 is a wasteful number, since it uses less digits than its factorization.

1630153154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21050.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1630153154 is about 40375.1551575966. The cubic root of 1630153154 is about 1176.9087801812.

The spelling of 1630153154 in words is "one billion, six hundred thirty million, one hundred fifty-three thousand, one hundred fifty-four".