1377515264164 has 24 divisors (see below), whose sum is σ = 2596125281400. Its totient is φ = 635766768384.

The previous prime is 1377515264131. The next prime is 1377515264183. The reversal of 1377515264164 is 4614625157731.

It can be written as a sum of positive squares in 4 ways, for example, as 259437422500 + 1118077841664 = 509350^2 + 1057392^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4274562 + ... + 4585510.

It is an arithmetic number, because the mean of its divisors is an integer number (108171886725).

Almost surely, 2^{1377515264164} is an apocalyptic number.

It is an amenable number.

1377515264164 is a deficient number, since it is larger than the sum of its proper divisors (1218610017236).

1377515264164 is a wasteful number, since it uses less digits than its factorization.

1377515264164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396159 (or 396157 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 1377515264164 in words is "one trillion, three hundred seventy-seven billion, five hundred fifteen million, two hundred sixty-four thousand, one hundred sixty-four".