1000061666648 has 16 divisors (see below), whose sum is σ = 2045580681960. Its totient is φ = 454573484800.

The previous prime is 1000061666629. The next prime is 1000061666663. The reversal of 1000061666648 is 8466661600001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1000061666599 and 1000061666608.

It is a congruent number.

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, 5682168473 + ... + 5682168648.

Almost surely, 2^{1000061666648} is an apocalyptic number.

It is an amenable number.

1000061666648 is an abundant number, since it is smaller than the sum of its proper divisors (1045519015312).

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

1000061666648 is a wasteful number, since it uses less digits than its factorization.

1000061666648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11364337138 (or 11364337134 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 1000061666648 in words is "one trillion, sixty-one million, six hundred sixty-six thousand, six hundred forty-eight".