1651460663550 has 48 divisors (see below), whose sum is σ = 4098988241712. Its totient is φ = 440027596800.

The previous prime is 1651460663543. The next prime is 1651460663591. The reversal of 1651460663550 is 553660641561.

It is a self number, because there is not a number n which added to its sum of digits gives 1651460663550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4340761 + ... + 4705860.

It is an arithmetic number, because the mean of its divisors is an integer number (85395588369).

Almost surely, 2^{1651460663550} is an apocalyptic number.

1651460663550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1651460663550 is an abundant number, since it is smaller than the sum of its proper divisors (2447527578162).

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

1651460663550 is a wasteful number, since it uses less digits than its factorization.

1651460663550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047853 (or 9047848 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 1651460663550 in words is "one trillion, six hundred fifty-one billion, four hundred sixty million, six hundred sixty-three thousand, five hundred fifty".