620612266 has 8 divisors (see below), whose sum is σ = 971393184. Its totient is φ = 296814540.

The previous prime is 620612263. The next prime is 620612269. The reversal of 620612266 is 662216026.

It is an interprime number because it is at equal distance from previous prime (620612263) and next prime (620612269).

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

It is a super-3 number, since 3×620612266³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (620612263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6745740 + ... + 6745831.

It is an arithmetic number, because the mean of its divisors is an integer number (121424148).

Almost surely, 2^620612266 is an apocalyptic number.

620612266 is a deficient number, since it is larger than the sum of its proper divisors (350780918).

620612266 is a wasteful number, since it uses less digits than its factorization.

620612266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13491596.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 620612266 is about 24912.0907593080. The cubic root of 620612266 is about 852.9824943597.

The spelling of 620612266 in words is "six hundred twenty million, six hundred twelve thousand, two hundred sixty-six".