69616661697 has 24 divisors (see below), whose sum is σ = 109707263328. Its totient is φ = 42188731200.

The previous prime is 69616661663. The next prime is 69616661701. The reversal of 69616661697 is 79616661696.

It is not a de Polignac number, because 69616661697 - 2¹⁴ = 69616645313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69616661297) 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, 2501853 + ... + 2529525.

It is an arithmetic number, because the mean of its divisors is an integer number (4571135972).

Almost surely, 2^69616661697 is an apocalyptic number.

It is an amenable number.

69616661697 is a deficient number, since it is larger than the sum of its proper divisors (40090601631).

69616661697 is a wasteful number, since it uses less digits than its factorization.

69616661697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53101 (or 53098 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

Subtracting 69616661697 from its reverse (79616661696), we obtain a palindrome (9999999999).

The spelling of 69616661697 in words is "sixty-nine billion, six hundred sixteen million, six hundred sixty-one thousand, six hundred ninety-seven".