2172961826554 has 8 divisors (see below), whose sum is σ = 3259449573120. Its totient is φ = 1086478635516.

The previous prime is 2172961826551. The next prime is 2172961826561. The reversal of 2172961826554 is 4556281692712.

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

It is not an unprimeable number, because it can be changed into a prime (2172961826551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561127 + ... + 2158885.

It is an arithmetic number, because the mean of its divisors is an integer number (407431196640).

Almost surely, 2^{2172961826554} is an apocalyptic number.

2172961826554 is a deficient number, since it is larger than the sum of its proper divisors (1086487746566).

2172961826554 is a wasteful number, since it uses less digits than its factorization.

2172961826554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277764.

The product of its digits is 14515200, while the sum is 58.

The spelling of 2172961826554 in words is "two trillion, one hundred seventy-two billion, nine hundred sixty-one million, eight hundred twenty-six thousand, five hundred fifty-four".