16149178080 has 144 divisors (see below), whose sum is σ = 62981833824. Its totient is φ = 3691238400.

The previous prime is 16149178021. The next prime is 16149178081. The reversal of 16149178080 is 8087194161.

It is a happy number.

16149178080 is a `hidden beast` number, since 1 + 6 + 1 + 491 + 7 + 80 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16149178081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790971 + ... + 811130.

It is an arithmetic number, because the mean of its divisors is an integer number (437373846).

Almost surely, 2^16149178080 is an apocalyptic number.

16149178080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16149178080 is an abundant number, since it is smaller than the sum of its proper divisors (46832655744).

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

16149178080 is a wasteful number, since it uses less digits than its factorization.

16149178080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602129 (or 1602118 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 16149178080 in words is "sixteen billion, one hundred forty-nine million, one hundred seventy-eight thousand, eighty".