2061644452354 has 8 divisors (see below), whose sum is σ = 3158263842048. Its totient is φ = 1008889838340.

The previous prime is 2061644452243. The next prime is 2061644452363. The reversal of 2061644452354 is 4532544461602.

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

It is a super-2 number, since 2×2061644452354² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10966193802 + ... + 10966193989.

It is an arithmetic number, because the mean of its divisors is an integer number (394782980256).

Almost surely, 2^{2061644452354} is an apocalyptic number.

2061644452354 is a deficient number, since it is larger than the sum of its proper divisors (1096619389694).

2061644452354 is a wasteful number, since it uses less digits than its factorization.

2061644452354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21932387840.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 2061644452354 in words is "two trillion, sixty-one billion, six hundred forty-four million, four hundred fifty-two thousand, three hundred fifty-four".