1103638416 has 20 divisors (see below), whose sum is σ = 2851066032. Its totient is φ = 367879456.

The previous prime is 1103638411. The next prime is 1103638421. The reversal of 1103638416 is 6148363011.

It is an interprime number because it is at equal distance from previous prime (1103638411) and next prime (1103638421).

It is not an unprimeable number, because it can be changed into a prime (1103638411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11496186 + ... + 11496281.

Almost surely, 2^1103638416 is an apocalyptic number.

1103638416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1103638416 is an abundant number, since it is smaller than the sum of its proper divisors (1747427616).

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

1103638416 is a wasteful number, since it uses less digits than its factorization.

1103638416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22992478 (or 22992472 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1103638416 is about 33221.0538062837. The cubic root of 1103638416 is about 1033.4170036539.

The spelling of 1103638416 in words is "one billion, one hundred three million, six hundred thirty-eight thousand, four hundred sixteen".