1667161622 has 8 divisors (see below), whose sum is σ = 2857991376. Its totient is φ = 714497832.

The previous prime is 1667161621. The next prime is 1667161633. The reversal of 1667161622 is 2261617661.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667161621) 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, 59541473 + ... + 59541500.

It is an arithmetic number, because the mean of its divisors is an integer number (357248922).

Almost surely, 2^1667161622 is an apocalyptic number.

1667161622 is a deficient number, since it is larger than the sum of its proper divisors (1190829754).

1667161622 is a wasteful number, since it uses less digits than its factorization.

1667161622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119082982.

The product of its digits is 36288, while the sum is 38.

The square root of 1667161622 is about 40830.8905364554. The cubic root of 1667161622 is about 1185.7484567677.

The spelling of 1667161622 in words is "one billion, six hundred sixty-seven million, one hundred sixty-one thousand, six hundred twenty-two".