696154639992 has 128 divisors (see below), whose sum is σ = 2005074839040. Its totient is φ = 197300759040.

The previous prime is 696154639991. The next prime is 696154640117. The reversal of 696154639992 is 299936451696.

It is a happy number.

It is a super-2 number, since 2×696154639992² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696154639991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12043143 + ... + 12100809.

It is an arithmetic number, because the mean of its divisors is an integer number (15664647180).

Almost surely, 2^696154639992 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 696154639992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002537419520).

696154639992 is an abundant number, since it is smaller than the sum of its proper divisors (1308920199048).

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

696154639992 is a wasteful number, since it uses less digits than its factorization.

696154639992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58261 (or 58257 counting only the distinct ones).

The product of its digits is 170061120, while the sum is 69.

The spelling of 696154639992 in words is "six hundred ninety-six billion, one hundred fifty-four million, six hundred thirty-nine thousand, nine hundred ninety-two".