103661779240 has 64 divisors (see below), whose sum is σ = 257696328960. Its totient is φ = 37328839680.

The previous prime is 103661779213. The next prime is 103661779267. The reversal of 103661779240 is 42977166301.

It is an interprime number because it is at equal distance from previous prime (103661779213) and next prime (103661779267).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3298356 + ... + 3329635.

It is an arithmetic number, because the mean of its divisors is an integer number (4026505140).

Almost surely, 2^103661779240 is an apocalyptic number.

103661779240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103661779240 is an abundant number, since it is smaller than the sum of its proper divisors (154034549720).

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

103661779240 is a wasteful number, since it uses less digits than its factorization.

103661779240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628042 (or 6628038 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 103661779240 in words is "one hundred three billion, six hundred sixty-one million, seven hundred seventy-nine thousand, two hundred forty".