16274949408 has 384 divisors, whose sum is σ = 52951449600. Its totient is φ = 4843238400.

The previous prime is 16274949403. The next prime is 16274949409. The reversal of 16274949408 is 80494947261.

16274949408 is a `hidden beast` number, since 1 + 62 + 7 + 494 + 94 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16274949403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17864473 + ... + 17865383.

It is an arithmetic number, because the mean of its divisors is an integer number (137894400).

Almost surely, 2^16274949408 is an apocalyptic number.

16274949408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16274949408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26475724800).

16274949408 is an abundant number, since it is smaller than the sum of its proper divisors (36676500192).

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

16274949408 is a wasteful number, since it uses less digits than its factorization.

16274949408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 16274949408 in words is "sixteen billion, two hundred seventy-four million, nine hundred forty-nine thousand, four hundred eight".