1167850221 has 16 divisors (see below), whose sum is σ = 1577486400. Its totient is φ = 768434688.

The previous prime is 1167850199. The next prime is 1167850223. The reversal of 1167850221 is 1220587611.

It is not a de Polignac number, because 1167850221 - 2¹¹ = 1167848173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167850223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104995 + ... + 115583.

It is an arithmetic number, because the mean of its divisors is an integer number (98592900).

Almost surely, 2^1167850221 is an apocalyptic number.

It is an amenable number.

1167850221 is a deficient number, since it is larger than the sum of its proper divisors (409636179).

1167850221 is a wasteful number, since it uses less digits than its factorization.

1167850221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 1167850221 is about 34173.8236227672. The cubic root of 1167850221 is about 1053.0824676193.

The spelling of 1167850221 in words is "one billion, one hundred sixty-seven million, eight hundred fifty thousand, two hundred twenty-one".