1061600561 has 8 divisors (see below), whose sum is σ = 1217640000. Its totient is φ = 906656688.

The previous prime is 1061600557. The next prime is 1061600587. The reversal of 1061600561 is 1650061601.

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

It is not a de Polignac number, because 1061600561 - 2² = 1061600557 is a prime.

It is a super-2 number, since 2×1061600561² = 2253991502231029442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1061600561.

It is not an unprimeable number, because it can be changed into a prime (1061600521) 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, 271811 + ... + 275688.

It is an arithmetic number, because the mean of its divisors is an integer number (152205000).

Almost surely, 2^1061600561 is an apocalyptic number.

It is an amenable number.

1061600561 is a deficient number, since it is larger than the sum of its proper divisors (156039439).

1061600561 is an equidigital number, since it uses as much as digits as its factorization.

1061600561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547783.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1061600561 is about 32582.2123404780. The cubic root of 1061600561 is about 1020.1257569540.

The spelling of 1061600561 in words is "one billion, sixty-one million, six hundred thousand, five hundred sixty-one".