1061646465026 has 16 divisors (see below), whose sum is σ = 1882722795840. Its totient is φ = 439301985360.

The previous prime is 1061646465017. The next prime is 1061646465029. The reversal of 1061646465026 is 6205646461601.

It is a super-2 number, since 2×1061646465026² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061646465029) 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, 1307445980 + ... + 1307446791.

It is an arithmetic number, because the mean of its divisors is an integer number (117670174740).

Almost surely, 2^{1061646465026} is an apocalyptic number.

1061646465026 is a deficient number, since it is larger than the sum of its proper divisors (821076330814).

1061646465026 is a wasteful number, since it uses less digits than its factorization.

1061646465026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614892809.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 1061646465026 in words is "one trillion, sixty-one billion, six hundred forty-six million, four hundred sixty-five thousand, twenty-six".