1676621067660 has 1152 divisors, whose sum is σ = 6758942023680. Its totient is φ = 337552427520.

The previous prime is 1676621067659. The next prime is 1676621067673. The reversal of 1676621067660 is 667601266761.

It is a happy number.

1676621067660 is a `hidden beast` number, since 1 + 6 + 7 + 6 + 621 + 0 + 6 + 7 + 6 + 6 + 0 = 666.

It is a super-2 number, since 2×1676621067660² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1676621067597 and 1676621067606.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3205776159 + ... + 3205776681.

Almost surely, 2^{1676621067660} is an apocalyptic number.

1676621067660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1676621067660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3379471011840).

1676621067660 is an abundant number, since it is smaller than the sum of its proper divisors (5082320956020).

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

1676621067660 is a wasteful number, since it uses less digits than its factorization.

1676621067660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 1676621067660 in words is "one trillion, six hundred seventy-six billion, six hundred twenty-one million, sixty-seven thousand, six hundred sixty".