2051626755161 has 8 divisors (see below), whose sum is σ = 2121379628544. Its totient is φ = 1982097092160.

The previous prime is 2051626755091. The next prime is 2051626755163. The reversal of 2051626755161 is 1615576261502.

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 2051626755161 - 2¹⁰ = 2051626754137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051626755163) 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, 55783901 + ... + 55820666.

It is an arithmetic number, because the mean of its divisors is an integer number (265172453568).

Almost surely, 2^{2051626755161} is an apocalyptic number.

It is an amenable number.

2051626755161 is a deficient number, since it is larger than the sum of its proper divisors (69752873383).

2051626755161 is a wasteful number, since it uses less digits than its factorization.

2051626755161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111605191.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 2051626755161 in words is "two trillion, fifty-one billion, six hundred twenty-six million, seven hundred fifty-five thousand, one hundred sixty-one".