1667166760 has 64 divisors (see below), whose sum is σ = 4386729600. Its totient is φ = 558302976.

The previous prime is 1667166733. The next prime is 1667166791. The reversal of 1667166760 is 676617661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1667166760.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57195 + ... + 81274.

It is an arithmetic number, because the mean of its divisors is an integer number (68542650).

Almost surely, 2^1667166760 is an apocalyptic number.

1667166760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1667166760 is an abundant number, since it is smaller than the sum of its proper divisors (2719562840).

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

1667166760 is a wasteful number, since it uses less digits than its factorization.

1667166760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138530 (or 138526 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1667166760 is about 40830.9534544566. The cubic root of 1667166760 is about 1185.7496748799.

The spelling of 1667166760 in words is "one billion, six hundred sixty-seven million, one hundred sixty-six thousand, seven hundred sixty".