16161761556350 has 24 divisors (see below), whose sum is σ = 30062728020000. Its totient is φ = 6464306445120.

The previous prime is 16161761556337. The next prime is 16161761556433. The reversal of 16161761556350 is 5365516716161.

It is a super-2 number, since 2×16161761556350² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16161761556292 and 16161761556301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9133862 + ... + 10758761.

It is an arithmetic number, because the mean of its divisors is an integer number (1252613667500).

Almost surely, 2^{16161761556350} is an apocalyptic number.

16161761556350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16161761556350 is a deficient number, since it is larger than the sum of its proper divisors (13900966463650).

16161761556350 is a wasteful number, since it uses less digits than its factorization.

16161761556350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19908884 (or 19908879 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 16161761556350 in words is "sixteen trillion, one hundred sixty-one billion, seven hundred sixty-one million, five hundred fifty-six thousand, three hundred fifty".