1077766061660 has 24 divisors (see below), whose sum is σ = 2263333027536. Its totient is φ = 431101796480.

The previous prime is 1077766061653. The next prime is 1077766061699. The reversal of 1077766061660 is 661606677701.

It is a happy number.

It is a super-2 number, since 2×1077766061660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102699 + ... + 2564541.

It is an arithmetic number, because the mean of its divisors is an integer number (94305542814).

Almost surely, 2^{1077766061660} is an apocalyptic number.

1077766061660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077766061660 is an abundant number, since it is smaller than the sum of its proper divisors (1185566965876).

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

1077766061660 is a wasteful number, since it uses less digits than its factorization.

1077766061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578533 (or 578531 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 53.

The spelling of 1077766061660 in words is "one trillion, seventy-seven billion, seven hundred sixty-six million, sixty-one thousand, six hundred sixty".