740666615122166 has 8 divisors (see below), whose sum is σ = 1121383099531080. Its totient is φ = 366872248611808.

The previous prime is 740666615122141. The next prime is 740666615122171. The reversal of 740666615122166 is 661221516666047.

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

It is a super-2 number, since 2×740666615122166² (a number of 31 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 3 ways as a sum of consecutive naturals, for example, 1730529474371 + ... + 1730529474798.

It is an arithmetic number, because the mean of its divisors is an integer number (140172887441385).

Almost surely, 2^{740666615122166} is an apocalyptic number.

740666615122166 is a deficient number, since it is larger than the sum of its proper divisors (380716484408914).

740666615122166 is a wasteful number, since it uses less digits than its factorization.

740666615122166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461058949278.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 740666615122166 in words is "seven hundred forty trillion, six hundred sixty-six billion, six hundred fifteen million, one hundred twenty-two thousand, one hundred sixty-six".