146642446062666 has 12 divisors (see below), whose sum is σ = 317725299802482. Its totient is φ = 48880815354216.

The previous prime is 146642446062653. The next prime is 146642446062691. The reversal of 146642446062666 is 666260644246641.

It can be written as a sum of positive squares in only one way, i.e., 145407060495225 + 1235385567441 = 12058485^2 + 1111479^2 .

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4073401279501 + ... + 4073401279536.

Almost surely, 2^{146642446062666} is an apocalyptic number.

146642446062666 is an abundant number, since it is smaller than the sum of its proper divisors (171082853739816).

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

146642446062666 is a wasteful number, since it uses less digits than its factorization.

146642446062666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146802559045 (or 8146802559042 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 63.

The spelling of 146642446062666 in words is "one hundred forty-six trillion, six hundred forty-two billion, four hundred forty-six million, sixty-two thousand, six hundred sixty-six".