662670101 has 4 divisors (see below), whose sum is σ = 662787372. Its totient is φ = 662552832.

The previous prime is 662670083. The next prime is 662670103. The reversal of 662670101 is 101076266.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 221712100 + 440958001 = 14890^2 + 20999^2 .

It is a cyclic number.

It is not a de Polignac number, because 662670101 - 2¹⁸ = 662407957 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 (662670103) 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, 49706 + ... + 61611.

It is an arithmetic number, because the mean of its divisors is an integer number (165696843).

Almost surely, 2^662670101 is an apocalyptic number.

It is an amenable number.

662670101 is a deficient number, since it is larger than the sum of its proper divisors (117271).

662670101 is a wasteful number, since it uses less digits than its factorization.

662670101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117270.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 662670101 is about 25742.3794743221. The cubic root of 662670101 is about 871.8313039016.

The spelling of 662670101 in words is "six hundred sixty-two million, six hundred seventy thousand, one hundred one".