1966446625002 has 32 divisors (see below), whose sum is σ = 3938223421440. Its totient is φ = 654594453360.

The previous prime is 1966446624983. The next prime is 1966446625021. The reversal of 1966446625002 is 2005266446691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1966446624983) and next prime (1966446625021).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13144273 + ... + 13293035.

It is an arithmetic number, because the mean of its divisors is an integer number (123069481920).

Almost surely, 2^{1966446625002} is an apocalyptic number.

1966446625002 is an abundant number, since it is smaller than the sum of its proper divisors (1971776796438).

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

1966446625002 is a wasteful number, since it uses less digits than its factorization.

1966446625002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151738.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 1966446625002 in words is "one trillion, nine hundred sixty-six billion, four hundred forty-six million, six hundred twenty-five thousand, two".