1068661844574 has 64 divisors (see below), whose sum is σ = 2156943140352. Its totient is φ = 352966464000.

The previous prime is 1068661844561. The next prime is 1068661844587. The reversal of 1068661844574 is 4754481668601.

It is an interprime number because it is at equal distance from previous prime (1068661844561) and next prime (1068661844587).

It is a super-2 number, since 2×1068661844574² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593370474 + ... + 593372274.

It is an arithmetic number, because the mean of its divisors is an integer number (33702236568).

Almost surely, 2^{1068661844574} is an apocalyptic number.

1068661844574 is an abundant number, since it is smaller than the sum of its proper divisors (1088281295778).

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

1068661844574 is a wasteful number, since it uses less digits than its factorization.

1068661844574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521.

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 1068661844574 in words is "one trillion, sixty-eight billion, six hundred sixty-one million, eight hundred forty-four thousand, five hundred seventy-four".