15346620068 has 24 divisors (see below), whose sum is σ = 28963803960. Its totient is φ = 7072934400.

The previous prime is 15346620059. The next prime is 15346620089. The reversal of 15346620068 is 86002664351.

It can be written as a sum of positive squares in 4 ways, for example, as 2352444004 + 12994176064 = 48502^2 + 113992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174053 + ... + 246956.

It is an arithmetic number, because the mean of its divisors is an integer number (1206825165).

Almost surely, 2^15346620068 is an apocalyptic number.

It is an amenable number.

15346620068 is a deficient number, since it is larger than the sum of its proper divisors (13617183892).

15346620068 is a wasteful number, since it uses less digits than its factorization.

15346620068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421727 (or 421725 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 15346620068 in words is "fifteen billion, three hundred forty-six million, six hundred twenty thousand, sixty-eight".