1011978466662 has 16 divisors (see below), whose sum is σ = 2027551890240. Its totient is φ = 336726996072.

The previous prime is 1011978466661. The next prime is 1011978466663. The reversal of 1011978466662 is 2666648791101.

It is an interprime number because it is at equal distance from previous prime (1011978466661) and next prime (1011978466663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011978466661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149786212 + ... + 149792967.

It is an arithmetic number, because the mean of its divisors is an integer number (126721993140).

Almost surely, 2^{1011978466662} is an apocalyptic number.

1011978466662 is an abundant number, since it is smaller than the sum of its proper divisors (1015573423578).

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

1011978466662 is a wasteful number, since it uses less digits than its factorization.

1011978466662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299579747.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 1011978466662 in words is "one trillion, eleven billion, nine hundred seventy-eight million, four hundred sixty-six thousand, six hundred sixty-two".