121160007644 has 24 divisors (see below), whose sum is σ = 228371238480. Its totient is φ = 55912356864.

The previous prime is 121160007643. The next prime is 121160007649. The reversal of 121160007644 is 446700061121.

It is a self number, because there is not a number n which added to its sum of digits gives 121160007644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121160007643) 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, 233867 + ... + 544989.

It is an arithmetic number, because the mean of its divisors is an integer number (9515468270).

Almost surely, 2^121160007644 is an apocalyptic number.

It is an amenable number.

121160007644 is a deficient number, since it is larger than the sum of its proper divisors (107211230836).

121160007644 is a wasteful number, since it uses less digits than its factorization.

121160007644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318629 (or 318627 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 121160007644 its reverse (446700061121), we get a palindrome (567860068765).

The spelling of 121160007644 in words is "one hundred twenty-one billion, one hundred sixty million, seven thousand, six hundred forty-four".