742666166451 has 64 divisors (see below), whose sum is σ = 1210406169600. Its totient is φ = 446306630400.

The previous prime is 742666166401. The next prime is 742666166453. The reversal of 742666166451 is 154661666247.

742666166451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742666166451 - 2⁹ = 742666165939 is a prime.

It is a super-3 number, since 3×742666166451³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (742666166453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37383261 + ... + 37403121.

It is an arithmetic number, because the mean of its divisors is an integer number (18912596400).

Almost surely, 2^742666166451 is an apocalyptic number.

742666166451 is a deficient number, since it is larger than the sum of its proper divisors (467740003149).

742666166451 is a wasteful number, since it uses less digits than its factorization.

742666166451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20937 (or 20931 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 742666166451 in words is "seven hundred forty-two billion, six hundred sixty-six million, one hundred sixty-six thousand, four hundred fifty-one".