69081157936 has 80 divisors (see below), whose sum is σ = 155920867648. Its totient is φ = 29038694400.

The previous prime is 69081157933. The next prime is 69081157967. The reversal of 69081157936 is 63975118096.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (69081157933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456516 + ... + 1503196.

Almost surely, 2^69081157936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69081157936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77960433824).

69081157936 is an abundant number, since it is smaller than the sum of its proper divisors (86839709712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69081157936 is a wasteful number, since it uses less digits than its factorization.

69081157936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46950 (or 46944 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 69081157936 in words is "sixty-nine billion, eighty-one million, one hundred fifty-seven thousand, nine hundred thirty-six".