109669950 has 120 divisors (see below), whose sum is σ = 328317528. Its totient is φ = 26982720.

The previous prime is 109669949. The next prime is 109669951. The reversal of 109669950 is 59966901.

It is an interprime number because it is at equal distance from previous prime (109669949) and next prime (109669951).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 109669896 and 109669905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109669951) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 51609 + ... + 53691.

Almost surely, 2^109669950 is an apocalyptic number.

109669950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109669950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164158764).

109669950 is an abundant number, since it is smaller than the sum of its proper divisors (218647578).

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

109669950 is a wasteful number, since it uses less digits than its factorization.

109669950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 109669950 is about 10472.3421449072. The cubic root of 109669950 is about 478.6622910356.

The spelling of 109669950 in words is "one hundred nine million, six hundred sixty-nine thousand, nine hundred fifty".