1665767223048 has 32 divisors (see below), whose sum is σ = 4164606482400. Its totient is φ = 555230617728.

The previous prime is 1665767223041. The next prime is 1665767223061. The reversal of 1665767223048 is 8403227675661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1665767223041) 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, 1024861 + ... + 2093292.

It is an arithmetic number, because the mean of its divisors is an integer number (130143952575).

Almost surely, 2^{1665767223048} is an apocalyptic number.

It is an amenable number.

1665767223048 is an abundant number, since it is smaller than the sum of its proper divisors (2498839259352).

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

1665767223048 is a wasteful number, since it uses less digits than its factorization.

1665767223048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140421 (or 3140417 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 1665767223048 in words is "one trillion, six hundred sixty-five billion, seven hundred sixty-seven million, two hundred twenty-three thousand, forty-eight".