1066677247620 has 36 divisors (see below), whose sum is σ = 3235587651660. Its totient is φ = 284447265984.

The previous prime is 1066677247609. The next prime is 1066677247631. The reversal of 1066677247620 is 267427766601.

It is an interprime number because it is at equal distance from previous prime (1066677247609) and next prime (1066677247631).

It can be written as a sum of positive squares in 2 ways, for example, as 212757097536 + 853920150084 = 461256^2 + 924078^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1066677247620² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2962992175 + ... + 2962992534.

Almost surely, 2^{1066677247620} is an apocalyptic number.

1066677247620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066677247620 is an abundant number, since it is smaller than the sum of its proper divisors (2168910404040).

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

1066677247620 is a wasteful number, since it uses less digits than its factorization.

1066677247620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925984724 (or 5925984719 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 1066677247620 in words is "one trillion, sixty-six billion, six hundred seventy-seven million, two hundred forty-seven thousand, six hundred twenty".