16770120577 has 16 divisors (see below), whose sum is σ = 20502478080. Its totient is φ = 13389355008.

The previous prime is 16770120491. The next prime is 16770120581. The reversal of 16770120577 is 77502107761.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16770120577 - 2²⁷ = 16635902849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16770120077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714877 + ... + 737962.

It is an arithmetic number, because the mean of its divisors is an integer number (1281404880).

Almost surely, 2^16770120577 is an apocalyptic number.

16770120577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16770120577 is a deficient number, since it is larger than the sum of its proper divisors (3732357503).

16770120577 is a wasteful number, since it uses less digits than its factorization.

16770120577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452960.

The product of its (nonzero) digits is 144060, while the sum is 43.

The spelling of 16770120577 in words is "sixteen billion, seven hundred seventy million, one hundred twenty thousand, five hundred seventy-seven".