21160146346226 has 4 divisors (see below), whose sum is σ = 31740219519342. Its totient is φ = 10580073173112.

The previous prime is 21160146346181. The next prime is 21160146346249. The reversal of 21160146346226 is 62264364106112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19305786007225 + 1854360339001 = 4393835^2 + 1361749^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5290036586555 + ... + 5290036586558.

Almost surely, 2^{21160146346226} is an apocalyptic number.

21160146346226 is a deficient number, since it is larger than the sum of its proper divisors (10580073173116).

21160146346226 is a wasteful number, since it uses less digits than its factorization.

21160146346226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580073173115.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 21160146346226 in words is "twenty-one trillion, one hundred sixty billion, one hundred forty-six million, three hundred forty-six thousand, two hundred twenty-six".