1561170848 has 12 divisors (see below), whose sum is σ = 3073555170. Its totient is φ = 780585408.

The previous prime is 1561170827. The next prime is 1561170869. The reversal of 1561170848 is 8480711651.

It is an interprime number because it is at equal distance from previous prime (1561170827) and next prime (1561170869).

It can be written as a sum of positive squares in only one way, i.e., 1518816784 + 42354064 = 38972^2 + 6508^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24393263 + ... + 24393326.

Almost surely, 2^1561170848 is an apocalyptic number.

It is an amenable number.

1561170848 is a deficient number, since it is larger than the sum of its proper divisors (1512384322).

1561170848 is an equidigital number, since it uses as much as digits as its factorization.

1561170848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48786599 (or 48786591 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The square root of 1561170848 is about 39511.6545844388. The cubic root of 1561170848 is about 1160.0680816165.

The spelling of 1561170848 in words is "one billion, five hundred sixty-one million, one hundred seventy thousand, eight hundred forty-eight".