149661540624407 has 16 divisors (see below), whose sum is σ = 178479426846720. Its totient is φ = 122703137675712.

The previous prime is 149661540624403. The next prime is 149661540624413. The reversal of 149661540624407 is 704426045166941.

It is a cyclic number.

It is not a de Polignac number, because 149661540624407 - 2² = 149661540624403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149661540624403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25076138 + ... + 30465320.

It is an arithmetic number, because the mean of its divisors is an integer number (11154964177920).

Almost surely, 2^{149661540624407} is an apocalyptic number.

149661540624407 is a deficient number, since it is larger than the sum of its proper divisors (28817886222313).

149661540624407 is a wasteful number, since it uses less digits than its factorization.

149661540624407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561702.

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 149661540624407 in words is "one hundred forty-nine trillion, six hundred sixty-one billion, five hundred forty million, six hundred twenty-four thousand, four hundred seven".