66153403744042 has 48 divisors (see below), whose sum is σ = 106600596678720. Its totient is φ = 30683112306560.

The previous prime is 66153403744027. The next prime is 66153403744061. The reversal of 66153403744042 is 24044730435166.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573598059 + ... + 573713377.

It is an arithmetic number, because the mean of its divisors is an integer number (2220845764140).

Almost surely, 2^{66153403744042} is an apocalyptic number.

66153403744042 is a deficient number, since it is larger than the sum of its proper divisors (40447192934678).

66153403744042 is a wasteful number, since it uses less digits than its factorization.

66153403744042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118827 (or 118756 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 49.

The spelling of 66153403744042 in words is "sixty-six trillion, one hundred fifty-three billion, four hundred three million, seven hundred forty-four thousand, forty-two".