1376616516 has 72 divisors (see below), whose sum is σ = 3684257472. Its totient is φ = 399009600.

The previous prime is 1376616499. The next prime is 1376616547. The reversal of 1376616516 is 6156166731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12786 + ... + 54006.

Almost surely, 2^1376616516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1376616516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842128736).

1376616516 is an abundant number, since it is smaller than the sum of its proper divisors (2307640956).

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

1376616516 is a wasteful number, since it uses less digits than its factorization.

1376616516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41273 (or 41260 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 1376616516 is about 37102.7831301103. The cubic root of 1376616516 is about 1112.4256442498.

The spelling of 1376616516 in words is "one billion, three hundred seventy-six million, six hundred sixteen thousand, five hundred sixteen".