3651426664554 has 16 divisors (see below), whose sum is σ = 7687214030880. Its totient is φ = 1153082104560.

The previous prime is 3651426664519. The next prime is 3651426664577. The reversal of 3651426664554 is 4554666241563.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 3651426664494 and 3651426664503.

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, 16015029117 + ... + 16015029344.

It is an arithmetic number, because the mean of its divisors is an integer number (480450876930).

Almost surely, 2^{3651426664554} is an apocalyptic number.

3651426664554 is an abundant number, since it is smaller than the sum of its proper divisors (4035787366326).

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

3651426664554 is a wasteful number, since it uses less digits than its factorization.

3651426664554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32030058485.

The product of its digits is 62208000, while the sum is 57.

The spelling of 3651426664554 in words is "three trillion, six hundred fifty-one billion, four hundred twenty-six million, six hundred sixty-four thousand, five hundred fifty-four".