674462172066354 has 128 divisors (see below), whose sum is σ = 1727904819118080. Its totient is φ = 191020295596032.

The previous prime is 674462172066343. The next prime is 674462172066421. The reversal of 674462172066354 is 453660271264476.

674462172066354 is a `hidden beast` number, since 6 + 7 + 4 + 4 + 6 + 217 + 2 + 0 + 66 + 354 = 666.

674462172066354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 674462172066291 and 674462172066300.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49258317 + ... + 61443519.

It is an arithmetic number, because the mean of its divisors is an integer number (13499256399360).

Almost surely, 2^{674462172066354} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674462172066354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863952409559040).

674462172066354 is an abundant number, since it is smaller than the sum of its proper divisors (1053442647051726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674462172066354 is a wasteful number, since it uses less digits than its factorization.

674462172066354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12186501 (or 12186495 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 63.

The spelling of 674462172066354 in words is "six hundred seventy-four trillion, four hundred sixty-two billion, one hundred seventy-two million, sixty-six thousand, three hundred fifty-four".