4166291253942 has 48 divisors (see below), whose sum is σ = 9178567154640. Its totient is φ = 1365458212800.

The previous prime is 4166291253899. The next prime is 4166291253947. The reversal of 4166291253942 is 2493521926614.

4166291253942 is a `hidden beast` number, since 4 + 1 + 6 + 62 + 9 + 1 + 2 + 539 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166291253947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2040592 + ... + 3535052.

It is an arithmetic number, because the mean of its divisors is an integer number (191220149055).

Almost surely, 2^{4166291253942} is an apocalyptic number.

4166291253942 is an abundant number, since it is smaller than the sum of its proper divisors (5012275900698).

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

4166291253942 is a wasteful number, since it uses less digits than its factorization.

4166291253942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497069 (or 1497066 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 4166291253942 in words is "four trillion, one hundred sixty-six billion, two hundred ninety-one million, two hundred fifty-three thousand, nine hundred forty-two".