1377660416 has 80 divisors (see below), whose sum is σ = 3179729520. Its totient is φ = 589332480.

The previous prime is 1377660413. The next prime is 1377660419. The reversal of 1377660416 is 6140667731.

It is an interprime number because it is at equal distance from previous prime (1377660413) and next prime (1377660419).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377660413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88550 + ... + 102938.

It is an arithmetic number, because the mean of its divisors is an integer number (39746619).

Almost surely, 2^1377660416 is an apocalyptic number.

1377660416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377660416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589864760).

1377660416 is an abundant number, since it is smaller than the sum of its proper divisors (1802069104).

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

1377660416 is a wasteful number, since it uses less digits than its factorization.

1377660416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14435 (or 14419 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 1377660416 is about 37116.8481420500. The cubic root of 1377660416 is about 1112.7067604766.

The spelling of 1377660416 in words is "one billion, three hundred seventy-seven million, six hundred sixty thousand, four hundred sixteen".