103618990 has 16 divisors (see below), whose sum is σ = 186905952. Its totient is φ = 41360544.

The previous prime is 103618969. The next prime is 103618993. The reversal of 103618990 is 99816301.

It is a super-3 number, since 3×103618990³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103618993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5769 + ... + 15508.

It is an arithmetic number, because the mean of its divisors is an integer number (11681622).

Almost surely, 2^103618990 is an apocalyptic number.

103618990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103618990 is a deficient number, since it is larger than the sum of its proper divisors (83286962).

103618990 is a wasteful number, since it uses less digits than its factorization.

103618990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21771.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 103618990 is about 10179.3413342907. The cubic root of 103618990 is about 469.6919514544.

The spelling of 103618990 in words is "one hundred three million, six hundred eighteen thousand, nine hundred ninety".