149080778718 has 16 divisors (see below), whose sum is σ = 307779672576. Its totient is φ = 48090573720.

The previous prime is 149080778713. The next prime is 149080778719. The reversal of 149080778718 is 817877080941.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149080778713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400754596 + ... + 400754967.

It is an arithmetic number, because the mean of its divisors is an integer number (19236229536).

Almost surely, 2^149080778718 is an apocalyptic number.

149080778718 is an abundant number, since it is smaller than the sum of its proper divisors (158698893858).

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

149080778718 is a wasteful number, since it uses less digits than its factorization.

149080778718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801509599.

The product of its (nonzero) digits is 6322176, while the sum is 60.

The spelling of 149080778718 in words is "one hundred forty-nine billion, eighty million, seven hundred seventy-eight thousand, seven hundred eighteen".