1663154052 has 24 divisors (see below), whose sum is σ = 4435077696. Its totient is φ = 475186848.

The previous prime is 1663154041. The next prime is 1663154069. The reversal of 1663154052 is 2504513661.

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, 9899643 + ... + 9899810.

It is an arithmetic number, because the mean of its divisors is an integer number (184794904).

Almost surely, 2^1663154052 is an apocalyptic number.

1663154052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1663154052 is an abundant number, since it is smaller than the sum of its proper divisors (2771923644).

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

1663154052 is a wasteful number, since it uses less digits than its factorization.

1663154052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19799467 (or 19799465 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1663154052 is about 40781.7857872850. The cubic root of 1663154052 is about 1184.7975826167.

The spelling of 1663154052 in words is "one billion, six hundred sixty-three million, one hundred fifty-four thousand, fifty-two".