65696534 has 16 divisors (see below), whose sum is σ = 107163648. Its totient is φ = 30079872.

The previous prime is 65696531. The next prime is 65696557. The reversal of 65696534 is 43569656.

It is a super-2 number, since 2×65696534² = 8632069159226312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65696531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24854 + ... + 27369.

It is an arithmetic number, because the mean of its divisors is an integer number (6697728).

Almost surely, 2^65696534 is an apocalyptic number.

65696534 is a deficient number, since it is larger than the sum of its proper divisors (41467114).

65696534 is a wasteful number, since it uses less digits than its factorization.

65696534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52279.

The product of its digits is 583200, while the sum is 44.

The square root of 65696534 is about 8105.3398448184. The cubic root of 65696534 is about 403.5036670228.

The spelling of 65696534 in words is "sixty-five million, six hundred ninety-six thousand, five hundred thirty-four".