7520164245 has 24 divisors (see below), whose sum is σ = 14219947872. Its totient is φ = 3646140000.

The previous prime is 7520164237. The next prime is 7520164247. The reversal of 7520164245 is 5424610257.

It is a happy number.

7520164245 is a `hidden beast` number, since 7 + 5 + 2 + 0 + 1 + 642 + 4 + 5 = 666.

It is not a de Polignac number, because 7520164245 - 2³ = 7520164237 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520164247) 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, 7595631 + ... + 7596620.

It is an arithmetic number, because the mean of its divisors is an integer number (592497828).

Almost surely, 2^7520164245 is an apocalyptic number.

It is an amenable number.

7520164245 is a deficient number, since it is larger than the sum of its proper divisors (6699783627).

7520164245 is a wasteful number, since it uses less digits than its factorization.

7520164245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15192273 (or 15192270 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 7520164245 is about 86718.8805566585. The cubic root of 7520164245 is about 1959.1864808131.

The spelling of 7520164245 in words is "seven billion, five hundred twenty million, one hundred sixty-four thousand, two hundred forty-five".