1066401552474 has 12 divisors (see below), whose sum is σ = 2310536697066. Its totient is φ = 355467184152.

The previous prime is 1066401552413. The next prime is 1066401552499. The reversal of 1066401552474 is 4742551046601.

1066401552474 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 40 + 15 + 524 + 74 = 666.

1066401552474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1047050795025 + 19350757449 = 1023255^2 + 139107^2 .

It is a super-2 number, since 2×1066401552474² (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 5 ways as a sum of consecutive naturals, for example, 29622265329 + ... + 29622265364.

Almost surely, 2^{1066401552474} is an apocalyptic number.

1066401552474 is an abundant number, since it is smaller than the sum of its proper divisors (1244135144592).

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

1066401552474 is a wasteful number, since it uses less digits than its factorization.

1066401552474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59244530701 (or 59244530698 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 1066401552474 in words is "one trillion, sixty-six billion, four hundred one million, five hundred fifty-two thousand, four hundred seventy-four".