1061961598 has 8 divisors (see below), whose sum is σ = 1593182592. Its totient is φ = 530900736.

The previous prime is 1061961557. The next prime is 1061961599. The reversal of 1061961598 is 8951691601.

It is a happy number.

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

It is a super-2 number, since 2×1061961598² = 2255524871253427208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061961599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21790 + ... + 50977.

It is an arithmetic number, because the mean of its divisors is an integer number (199147824).

Almost surely, 2^1061961598 is an apocalyptic number.

1061961598 is a deficient number, since it is larger than the sum of its proper divisors (531220994).

1061961598 is an equidigital number, since it uses as much as digits as its factorization.

1061961598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80066.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 1061961598 is about 32587.7522698329. The cubic root of 1061961598 is about 1020.2413878270.

The spelling of 1061961598 in words is "one billion, sixty-one million, nine hundred sixty-one thousand, five hundred ninety-eight".