7662061564 has 24 divisors (see below), whose sum is σ = 13563628848. Its totient is φ = 3786896640.

The previous prime is 7662061523. The next prime is 7662061567. The reversal of 7662061564 is 4651602667.

It is a happy number.

It is a super-3 number, since 3×7662061564³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7662061564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7662061567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177892 + ... + 216724.

It is an arithmetic number, because the mean of its divisors is an integer number (565151202).

Almost surely, 2^7662061564 is an apocalyptic number.

It is an amenable number.

7662061564 is a deficient number, since it is larger than the sum of its proper divisors (5901567284).

7662061564 is a wasteful number, since it uses less digits than its factorization.

7662061564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39405 (or 39403 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 7662061564 is about 87533.2026376277. The cubic root of 7662061564 is about 1971.4323512525.

The spelling of 7662061564 in words is "seven billion, six hundred sixty-two million, sixty-one thousand, five hundred sixty-four".