149366197255 has 16 divisors (see below), whose sum is σ = 195655572000. Its totient is φ = 108562383360.

The previous prime is 149366197187. The next prime is 149366197271. The reversal of 149366197255 is 552791663941.

It is not a de Polignac number, because 149366197255 - 2⁹ = 149366196743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149366197255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755430 + ... + 932419.

It is an arithmetic number, because the mean of its divisors is an integer number (12228473250).

Almost surely, 2^149366197255 is an apocalyptic number.

149366197255 is a deficient number, since it is larger than the sum of its proper divisors (46289374745).

149366197255 is a wasteful number, since it uses less digits than its factorization.

149366197255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689474.

The product of its digits is 12247200, while the sum is 58.

The spelling of 149366197255 in words is "one hundred forty-nine billion, three hundred sixty-six million, one hundred ninety-seven thousand, two hundred fifty-five".