74132275616661 has 8 divisors (see below), whose sum is σ = 99621325763584. Its totient is φ = 49032371273760.

The previous prime is 74132275616657. The next prime is 74132275616671. The reversal of 74132275616661 is 16661657223147.

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

It is not a de Polignac number, because 74132275616661 - 2² = 74132275616657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74132275616611) 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, 97286450560 + ... + 97286451321.

It is an arithmetic number, because the mean of its divisors is an integer number (12452665720448).

Almost surely, 2^{74132275616661} is an apocalyptic number.

It is an amenable number.

74132275616661 is a deficient number, since it is larger than the sum of its proper divisors (25489050146923).

74132275616661 is a wasteful number, since it uses less digits than its factorization.

74132275616661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194572902011.

The product of its digits is 15240960, while the sum is 57.

The spelling of 74132275616661 in words is "seventy-four trillion, one hundred thirty-two billion, two hundred seventy-five million, six hundred sixteen thousand, six hundred sixty-one".