1638000152 has 8 divisors (see below), whose sum is σ = 3071250300. Its totient is φ = 819000072.

The previous prime is 1638000109. The next prime is 1638000163. The reversal of 1638000152 is 2510008361.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102375002 + ... + 102375017.

Almost surely, 2^1638000152 is an apocalyptic number.

It is an amenable number.

1638000152 is a deficient number, since it is larger than the sum of its proper divisors (1433250148).

1638000152 is a wasteful number, since it uses less digits than its factorization.

1638000152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204750025 (or 204750021 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1638000152 is about 40472.2145675277. The cubic root of 1638000152 is about 1178.7941698986.

The spelling of 1638000152 in words is "one billion, six hundred thirty-eight million, one hundred fifty-two", and thus it is an aban number.