66332466153530 has 32 divisors (see below), whose sum is σ = 120486349240128. Its totient is φ = 26291350624000.

The previous prime is 66332466153379. The next prime is 66332466153539. The reversal of 66332466153530 is 3535166423366.

It is not an unprimeable number, because it can be changed into a prime (66332466153539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3269936 + ... + 11973195.

It is an arithmetic number, because the mean of its divisors is an integer number (3765198413754).

Almost surely, 2^{66332466153530} is an apocalyptic number.

66332466153530 is a deficient number, since it is larger than the sum of its proper divisors (54153883086598).

66332466153530 is a wasteful number, since it uses less digits than its factorization.

66332466153530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15247102.

The product of its (nonzero) digits is 20995200, while the sum is 53.

The spelling of 66332466153530 in words is "sixty-six trillion, three hundred thirty-two billion, four hundred sixty-six million, one hundred fifty-three thousand, five hundred thirty".