121066156596 has 48 divisors (see below), whose sum is σ = 352192458240. Its totient is φ = 31445754720.

The previous prime is 121066156577. The next prime is 121066156613. The reversal of 121066156596 is 695651660121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65511066 + ... + 65512913.

It is an arithmetic number, because the mean of its divisors is an integer number (7337342880).

Almost surely, 2^121066156596 is an apocalyptic number.

It is an amenable number.

121066156596 is an abundant number, since it is smaller than the sum of its proper divisors (231126301644).

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

121066156596 is a wasteful number, since it uses less digits than its factorization.

121066156596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131024004 (or 131024002 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 121066156596 in words is "one hundred twenty-one billion, sixty-six million, one hundred fifty-six thousand, five hundred ninety-six".