662151071 has 16 divisors (see below), whose sum is σ = 732763584. Its totient is φ = 595144704.

The previous prime is 662151067. The next prime is 662151079. The reversal of 662151071 is 170151266.

It is not a de Polignac number, because 662151071 - 2² = 662151067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662151079) 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, 371735 + ... + 373511.

It is an arithmetic number, because the mean of its divisors is an integer number (45797724).

Almost surely, 2^662151071 is an apocalyptic number.

662151071 is a deficient number, since it is larger than the sum of its proper divisors (70612513).

662151071 is a wasteful number, since it uses less digits than its factorization.

662151071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 662151071 is about 25732.2962636450. The cubic root of 662151071 is about 871.6036266139.

The spelling of 662151071 in words is "six hundred sixty-two million, one hundred fifty-one thousand, seventy-one".