74166356885 has 8 divisors (see below), whose sum is σ = 89001968640. Its totient is φ = 59331525264.

The previous prime is 74166356863. The next prime is 74166356897. The reversal of 74166356885 is 58865366147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74166356885 - 2⁶ = 74166356821 is a prime.

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, 39836 + ... + 387194.

It is an arithmetic number, because the mean of its divisors is an integer number (11125246080).

Almost surely, 2^74166356885 is an apocalyptic number.

It is an amenable number.

74166356885 is a deficient number, since it is larger than the sum of its proper divisors (14835611755).

74166356885 is a wasteful number, since it uses less digits than its factorization.

74166356885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390067.

The product of its digits is 29030400, while the sum is 59.

The spelling of 74166356885 in words is "seventy-four billion, one hundred sixty-six million, three hundred fifty-six thousand, eight hundred eighty-five".