1513666374 has 64 divisors (see below), whose sum is σ = 3400607232. Its totient is φ = 445132800.

The previous prime is 1513666373. The next prime is 1513666381. The reversal of 1513666374 is 4736663151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513666373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1564839 + ... + 1565805.

It is an arithmetic number, because the mean of its divisors is an integer number (53134488).

Almost surely, 2^1513666374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513666374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700303616).

1513666374 is an abundant number, since it is smaller than the sum of its proper divisors (1886940858).

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

1513666374 is a wasteful number, since it uses less digits than its factorization.

1513666374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its digits is 272160, while the sum is 42.

The square root of 1513666374 is about 38905.8655474981. The cubic root of 1513666374 is about 1148.1802028466.

The spelling of 1513666374 in words is "one billion, five hundred thirteen million, six hundred sixty-six thousand, three hundred seventy-four".