64674546420150 has 144 divisors (see below), whose sum is σ = 174655910841984. Its totient is φ = 17157532170240.

The previous prime is 64674546420119. The next prime is 64674546420193. The reversal of 64674546420150 is 5102464547646.

64674546420150 is a `hidden beast` number, since 6 + 4 + 6 + 7 + 4 + 5 + 464 + 20 + 150 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1381409542 + ... + 1381456358.

It is an arithmetic number, because the mean of its divisors is an integer number (1212888269736).

Almost surely, 2^{64674546420150} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64674546420150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87327955420992).

64674546420150 is an abundant number, since it is smaller than the sum of its proper divisors (109981364421834).

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

64674546420150 is a wasteful number, since it uses less digits than its factorization.

64674546420150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62615 (or 62607 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 64674546420150 in words is "sixty-four trillion, six hundred seventy-four billion, five hundred forty-six million, four hundred twenty thousand, one hundred fifty".