2067473661 has 32 divisors (see below), whose sum is σ = 3106138752. Its totient is φ = 1212456960.

The previous prime is 2067473659. The next prime is 2067473677. The reversal of 2067473661 is 1663747602.

It is a happy number.

It is not a de Polignac number, because 2067473661 - 2¹ = 2067473659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067473621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119581 + ... + 135773.

It is an arithmetic number, because the mean of its divisors is an integer number (97066836).

Almost surely, 2^2067473661 is an apocalyptic number.

It is an amenable number.

2067473661 is a deficient number, since it is larger than the sum of its proper divisors (1038665091).

2067473661 is a wasteful number, since it uses less digits than its factorization.

2067473661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16333.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 2067473661 is about 45469.4805446466. The cubic root of 2067473661 is about 1273.9332173302.

The spelling of 2067473661 in words is "two billion, sixty-seven million, four hundred seventy-three thousand, six hundred sixty-one".