6662141971772 has 24 divisors (see below), whose sum is σ = 13324800499584. Its totient is φ = 2855093011632.

The previous prime is 6662141971729. The next prime is 6662141971789. The reversal of 6662141971772 is 2771791412666.

It is a super-2 number, since 2×6662141971772² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 3874898 + ... + 5323449.

It is an arithmetic number, because the mean of its divisors is an integer number (555200020816).

Almost surely, 2^{6662141971772} is an apocalyptic number.

It is an amenable number.

6662141971772 is an abundant number, since it is smaller than the sum of its proper divisors (6662658527812).

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

6662141971772 is a wasteful number, since it uses less digits than its factorization.

6662141971772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224225 (or 9224223 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 59.

The spelling of 6662141971772 in words is "six trillion, six hundred sixty-two billion, one hundred forty-one million, nine hundred seventy-one thousand, seven hundred seventy-two".