8154722162061 has 8 divisors (see below), whose sum is σ = 12081069869760. Its totient is φ = 5436481441356.

The previous prime is 8154722162053. The next prime is 8154722162077. The reversal of 8154722162061 is 1602612274518.

8154722162061 is a `hidden beast` number, since 8 + 1 + 547 + 2 + 21 + 6 + 20 + 61 = 666.

It is not a de Polignac number, because 8154722162061 - 2³ = 8154722162053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8154722161998 and 8154722162016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154722162021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151013373345 + ... + 151013373398.

It is an arithmetic number, because the mean of its divisors is an integer number (1510133733720).

Almost surely, 2^{8154722162061} is an apocalyptic number.

It is an amenable number.

8154722162061 is a deficient number, since it is larger than the sum of its proper divisors (3926347707699).

8154722162061 is a wasteful number, since it uses less digits than its factorization.

8154722162061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302026746752 (or 302026746746 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 8154722162061 in words is "eight trillion, one hundred fifty-four billion, seven hundred twenty-two million, one hundred sixty-two thousand, sixty-one".