1061536646 has 8 divisors (see below), whose sum is σ = 1593304344. Its totient is φ = 530435200.

The previous prime is 1061536607. The next prime is 1061536709. The reversal of 1061536646 is 6466351601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1061536646² = 2253720101601858632, which 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 3 ways as a sum of consecutive naturals, for example, 162560 + ... + 168963.

It is an arithmetic number, because the mean of its divisors is an integer number (199163043).

Almost surely, 2^1061536646 is an apocalyptic number.

1061536646 is a deficient number, since it is larger than the sum of its proper divisors (531767698).

1061536646 is a wasteful number, since it uses less digits than its factorization.

1061536646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333126.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1061536646 is about 32581.2314991315. The cubic root of 1061536646 is about 1020.1052838907.

The spelling of 1061536646 in words is "one billion, sixty-one million, five hundred thirty-six thousand, six hundred forty-six".