3661451052028 has 24 divisors (see below), whose sum is σ = 7988620477824. Its totient is φ = 1426539370800.

The previous prime is 3661451052011. The next prime is 3661451052037. The reversal of 3661451052028 is 8202501541663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5943913738 + ... + 5943914353.

It is an arithmetic number, because the mean of its divisors is an integer number (332859186576).

Almost surely, 2^{3661451052028} is an apocalyptic number.

It is an amenable number.

3661451052028 is an abundant number, since it is smaller than the sum of its proper divisors (4327169425796).

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

3661451052028 is a wasteful number, since it uses less digits than its factorization.

3661451052028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887828113 (or 11887828111 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 3661451052028 in words is "three trillion, six hundred sixty-one billion, four hundred fifty-one million, fifty-two thousand, twenty-eight".