1220160674 has 16 divisors (see below), whose sum is σ = 1924396920. Its totient is φ = 579384960.

The previous prime is 1220160637. The next prime is 1220160679. The reversal of 1220160674 is 4760610221.

It can be written as a sum of positive squares in 4 ways, for example, as 920697649 + 299463025 = 30343^2 + 17305^2 .

It is a super-2 number, since 2×1220160674² = 2977584140752268552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1220160679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168899 + ... + 175974.

Almost surely, 2^1220160674 is an apocalyptic number.

1220160674 is a deficient number, since it is larger than the sum of its proper divisors (704236246).

1220160674 is a wasteful number, since it uses less digits than its factorization.

1220160674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344965.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1220160674 is about 34930.7983590413. The cubic root of 1220160674 is about 1068.5766365449.

Adding to 1220160674 its reverse (4760610221), we get a palindrome (5980770895).

The spelling of 1220160674 in words is "one billion, two hundred twenty million, one hundred sixty thousand, six hundred seventy-four".