1061647193880 has 320 divisors, whose sum is σ = 4391772517440. Its totient is φ = 223995829248.

The previous prime is 1061647193851. The next prime is 1061647193921. The reversal of 1061647193880 is 883917461601.

1061647193880 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 6 + 471 + 93 + 8 + 80 = 666.

It is a super-2 number, since 2×1061647193880² (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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1505539 + ... + 2095218.

It is an arithmetic number, because the mean of its divisors is an integer number (13724289117).

Almost surely, 2^{1061647193880} is an apocalyptic number.

1061647193880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061647193880 is an abundant number, since it is smaller than the sum of its proper divisors (3330125323560).

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

1061647193880 is a wasteful number, since it uses less digits than its factorization.

1061647193880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600800 (or 3600787 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 1061647193880 in words is "one trillion, sixty-one billion, six hundred forty-seven million, one hundred ninety-three thousand, eight hundred eighty".