1662111170 has 8 divisors (see below), whose sum is σ = 2991800124. Its totient is φ = 664844464.

The previous prime is 1662111161. The next prime is 1662111173. The reversal of 1662111170 is 711112661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1661133049 + 978121 = 40757^2 + 989^2 .

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

It is a super-2 number, since 2×1662111170² = 5525227082877537800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1662111173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83105549 + ... + 83105568.

Almost surely, 2^1662111170 is an apocalyptic number.

1662111170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1662111170 is a deficient number, since it is larger than the sum of its proper divisors (1329688954).

1662111170 is a wasteful number, since it uses less digits than its factorization.

1662111170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166211124.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1662111170 is about 40768.9976575338. The cubic root of 1662111170 is about 1184.5498880986.

The spelling of 1662111170 in words is "one billion, six hundred sixty-two million, one hundred eleven thousand, one hundred seventy".