1061645546 has 48 divisors (see below), whose sum is σ = 1901297664. Its totient is φ = 441044736.

The previous prime is 1061645531. The next prime is 1061645567. The reversal of 1061645546 is 6455461601.

It is a happy number.

It is a super-2 number, since 2×1061645546² = 2254182530683276232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169751 + ... + 175893.

It is an arithmetic number, because the mean of its divisors is an integer number (39610368).

Almost surely, 2^1061645546 is an apocalyptic number.

1061645546 is a deficient number, since it is larger than the sum of its proper divisors (839652118).

1061645546 is a wasteful number, since it uses less digits than its factorization.

1061645546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215 (or 6198 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1061645546 is about 32582.9026638205. The cubic root of 1061645546 is about 1020.1401659230.

The spelling of 1061645546 in words is "one billion, sixty-one million, six hundred forty-five thousand, five hundred forty-six".