66460154430352 has 20 divisors (see below), whose sum is σ = 128769186303756. Its totient is φ = 33229396674560.

The previous prime is 66460154430301. The next prime is 66460154430409. The reversal of 66460154430352 is 25303445106466.

It can be written as a sum of positive squares in 2 ways, for example, as 56780987219856 + 9679167210496 = 7535316^2 + 3111136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66460154430296 and 66460154430305.

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, 41727649 + ... + 43291072.

Almost surely, 2^{66460154430352} is an apocalyptic number.

It is an amenable number.

66460154430352 is a deficient number, since it is larger than the sum of its proper divisors (62309031873404).

66460154430352 is a wasteful number, since it uses less digits than its factorization.

66460154430352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85067586 (or 85067580 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 66460154430352 in words is "sixty-six trillion, four hundred sixty billion, one hundred fifty-four million, four hundred thirty thousand, three hundred fifty-two".