1613061545208 has 64 divisors (see below), whose sum is σ = 4126100808960. Its totient is φ = 525365266176.

The previous prime is 1613061545201. The next prime is 1613061545209. The reversal of 1613061545208 is 8025451603161.

It is a self number, because there is not a number n which added to its sum of digits gives 1613061545208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613061545201) 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, 4114860 + ... + 4489787.

It is an arithmetic number, because the mean of its divisors is an integer number (64470325140).

Almost surely, 2^{1613061545208} is an apocalyptic number.

It is an amenable number.

1613061545208 is an abundant number, since it is smaller than the sum of its proper divisors (2513039263752).

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

1613061545208 is a wasteful number, since it uses less digits than its factorization.

1613061545208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604836 (or 8604832 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 1613061545208 in words is "one trillion, six hundred thirteen billion, sixty-one million, five hundred forty-five thousand, two hundred eight".