1656160066 has 8 divisors (see below), whose sum is σ = 2710080144. Its totient is φ = 752800020.

The previous prime is 1656160021. The next prime is 1656160067. The reversal of 1656160066 is 6600616561.

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

It is not an unprimeable number, because it can be changed into a prime (1656160067) 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, 37639980 + ... + 37640023.

It is an arithmetic number, because the mean of its divisors is an integer number (338760018).

Almost surely, 2^1656160066 is an apocalyptic number.

1656160066 is a deficient number, since it is larger than the sum of its proper divisors (1053920078).

1656160066 is a wasteful number, since it uses less digits than its factorization.

1656160066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75280016.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1656160066 is about 40695.9465549089. The cubic root of 1656160066 is about 1183.1344573712.

The spelling of 1656160066 in words is "one billion, six hundred fifty-six million, one hundred sixty thousand, sixty-six".