161202792077 has 8 divisors (see below), whose sum is σ = 176191287552. Its totient is φ = 146826072000.

The previous prime is 161202792071. The next prime is 161202792119. The reversal of 161202792077 is 770297202161.

161202792077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161202792077 - 2⁶ = 161202792013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161202792071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152943299 + ... + 152944352.

It is an arithmetic number, because the mean of its divisors is an integer number (22023910944).

Almost surely, 2^161202792077 is an apocalyptic number.

161202792077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

161202792077 is a deficient number, since it is larger than the sum of its proper divisors (14988495475).

161202792077 is a wasteful number, since it uses less digits than its factorization.

161202792077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305887699.

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 161202792077 in words is "one hundred sixty-one billion, two hundred two million, seven hundred ninety-two thousand, seventy-seven".