34521661554 has 16 divisors (see below), whose sum is σ = 69570372960. Its totient is φ = 11419378880.

The previous prime is 34521661501. The next prime is 34521661579. The reversal of 34521661554 is 45516612543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21959559 + ... + 21961130.

It is an arithmetic number, because the mean of its divisors is an integer number (4348148310).

Almost surely, 2^34521661554 is an apocalyptic number.

34521661554 is an abundant number, since it is smaller than the sum of its proper divisors (35048711406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34521661554 is a wasteful number, since it uses less digits than its factorization.

34521661554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43920825.

The product of its digits is 432000, while the sum is 42.

The spelling of 34521661554 in words is "thirty-four billion, five hundred twenty-one million, six hundred sixty-one thousand, five hundred fifty-four".