377666661660 has 96 divisors (see below), whose sum is σ = 1145709556992. Its totient is φ = 92582568960.

The previous prime is 377666661653. The next prime is 377666661719. The reversal of 377666661660 is 66166666773.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 377666661594 and 377666661603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4261506 + ... + 4349225.

It is an arithmetic number, because the mean of its divisors is an integer number (11934474552).

Almost surely, 2^377666661660 is an apocalyptic number.

377666661660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

377666661660 is an abundant number, since it is smaller than the sum of its proper divisors (768042895332).

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

377666661660 is a wasteful number, since it uses less digits than its factorization.

377666661660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610803 (or 8610801 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 60.

The spelling of 377666661660 in words is "three hundred seventy-seven billion, six hundred sixty-six million, six hundred sixty-one thousand, six hundred sixty".