16274920950 has 120 divisors (see below), whose sum is σ = 46679244480. Its totient is φ = 4199947200.

The previous prime is 16274920943. The next prime is 16274920951. The reversal of 16274920950 is 5902947261.

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 = 16274920896 and 16274920905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16274920951) 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, 60736 + ... + 190364.

It is an arithmetic number, because the mean of its divisors is an integer number (388993704).

Almost surely, 2^16274920950 is an apocalyptic number.

16274920950 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 16274920950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23339622240).

16274920950 is an abundant number, since it is smaller than the sum of its proper divisors (30404323530).

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

16274920950 is a wasteful number, since it uses less digits than its factorization.

16274920950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129684 (or 129670 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 16274920950 in words is "sixteen billion, two hundred seventy-four million, nine hundred twenty thousand, nine hundred fifty".