1160221628 has 6 divisors (see below), whose sum is σ = 2030387856. Its totient is φ = 580110812.

The previous prime is 1160221577. The next prime is 1160221739. The reversal of 1160221628 is 8261220611.

It is a super-2 number, since 2×1160221628² = 2692228452157940768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1160221628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145027700 + ... + 145027707.

It is an arithmetic number, because the mean of its divisors is an integer number (338397976).

Almost surely, 2^1160221628 is an apocalyptic number.

It is an amenable number.

1160221628 is a deficient number, since it is larger than the sum of its proper divisors (870166228).

1160221628 is a wasteful number, since it uses less digits than its factorization.

1160221628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290055411 (or 290055409 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1160221628 is about 34062.0261875303. The cubic root of 1160221628 is about 1050.7844864542.

The spelling of 1160221628 in words is "one billion, one hundred sixty million, two hundred twenty-one thousand, six hundred twenty-eight".