1067056521164 has 24 divisors (see below), whose sum is σ = 1888639841088. Its totient is φ = 527465450960.

The previous prime is 1067056521161. The next prime is 1067056521217. The reversal of 1067056521164 is 4611256507601.

It is a happy number.

It is a super-2 number, since 2×1067056521164² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1067056521161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328674 + ... + 2748969.

It is an arithmetic number, because the mean of its divisors is an integer number (78693326712).

Almost surely, 2^{1067056521164} is an apocalyptic number.

It is an amenable number.

1067056521164 is a deficient number, since it is larger than the sum of its proper divisors (821583319924).

1067056521164 is a wasteful number, since it uses less digits than its factorization.

1067056521164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078245 (or 5078243 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 1067056521164 in words is "one trillion, sixty-seven billion, fifty-six million, five hundred twenty-one thousand, one hundred sixty-four".