513166379903 has 16 divisors (see below), whose sum is σ = 554818547040. Its totient is φ = 472980643200.

The previous prime is 513166379899. The next prime is 513166379911. The reversal of 513166379903 is 309973661315.

It is a cyclic number.

It is not a de Polignac number, because 513166379903 - 2² = 513166379899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513166379923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12958313 + ... + 12997853.

It is an arithmetic number, because the mean of its divisors is an integer number (34676159190).

Almost surely, 2^513166379903 is an apocalyptic number.

513166379903 is a deficient number, since it is larger than the sum of its proper divisors (41652167137).

513166379903 is a wasteful number, since it uses less digits than its factorization.

513166379903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58058.

The product of its (nonzero) digits is 2755620, while the sum is 53.

The spelling of 513166379903 in words is "five hundred thirteen billion, one hundred sixty-six million, three hundred seventy-nine thousand, nine hundred three".