1538903016 has 96 divisors (see below), whose sum is σ = 4972680000. Its totient is φ = 439683552.

The previous prime is 1538903011. The next prime is 1538903027. The reversal of 1538903016 is 6103098351.

It is a happy number.

1538903016 is a `hidden beast` number, since 1 + 538 + 90 + 30 + 1 + 6 = 666.

It is a super-3 number, since 3×1538903016³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1538903011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62116 + ... + 83283.

It is an arithmetic number, because the mean of its divisors is an integer number (51798750).

Almost surely, 2^1538903016 is an apocalyptic number.

It is an amenable number.

1538903016 is an abundant number, since it is smaller than the sum of its proper divisors (3433776984).

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

1538903016 is a wasteful number, since it uses less digits than its factorization.

1538903016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145428 (or 145411 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1538903016 is about 39228.8543804175. The cubic root of 1538903016 is about 1154.5260865647.

The spelling of 1538903016 in words is "one billion, five hundred thirty-eight million, nine hundred three thousand, sixteen".