620667153 has 24 divisors (see below), whose sum is σ = 915857280. Its totient is φ = 404894880.

The previous prime is 620667139. The next prime is 620667169. The reversal of 620667153 is 351766026.

It is not a de Polignac number, because 620667153 - 2¹⁰ = 620666129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620667133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204078 + ... + 207096.

It is an arithmetic number, because the mean of its divisors is an integer number (38160720).

Almost surely, 2^620667153 is an apocalyptic number.

It is an amenable number.

620667153 is a deficient number, since it is larger than the sum of its proper divisors (295190127).

620667153 is a wasteful number, since it uses less digits than its factorization.

620667153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3506 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 620667153 is about 24913.1923486333. The cubic root of 620667153 is about 853.0076395659.

The spelling of 620667153 in words is "six hundred twenty million, six hundred sixty-seven thousand, one hundred fifty-three".