66554132614352 has 10 divisors (see below), whose sum is σ = 128948631940338. Its totient is φ = 33277066307168.

The previous prime is 66554132614351. The next prime is 66554132614357. The reversal of 66554132614352 is 25341623145566.

It can be written as a sum of positive squares in only one way, i.e., 58784177063056 + 7769955551296 = 7667084^2 + 2787464^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66554132614294 and 66554132614303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66554132614351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2079816644183 + ... + 2079816644214.

Almost surely, 2^{66554132614352} is an apocalyptic number.

It is an amenable number.

66554132614352 is a deficient number, since it is larger than the sum of its proper divisors (62394499325986).

66554132614352 is a wasteful number, since it uses less digits than its factorization.

66554132614352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159633288405 (or 4159633288399 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 53.

The spelling of 66554132614352 in words is "sixty-six trillion, five hundred fifty-four billion, one hundred thirty-two million, six hundred fourteen thousand, three hundred fifty-two".