1020661102466 has 16 divisors (see below), whose sum is σ = 1554136369344. Its totient is φ = 502618529424.

The previous prime is 1020661102427. The next prime is 1020661102493. The reversal of 1020661102466 is 6642011660201.

It is a super-2 number, since 2×1020661102466² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7565 + ... + 1428768.

It is an arithmetic number, because the mean of its divisors is an integer number (97133523084).

Almost surely, 2^{1020661102466} is an apocalyptic number.

1020661102466 is a deficient number, since it is larger than the sum of its proper divisors (533475266878).

1020661102466 is a wasteful number, since it uses less digits than its factorization.

1020661102466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441705.

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 1020661102466 its reverse (6642011660201), we get a palindrome (7662672762667).

The spelling of 1020661102466 in words is "one trillion, twenty billion, six hundred sixty-one million, one hundred two thousand, four hundred sixty-six".