1452678550666 has 24 divisors (see below), whose sum is σ = 2549427751620. Its totient is φ = 618977806272.

The previous prime is 1452678550657. The next prime is 1452678550681. The reversal of 1452678550666 is 6660558762541.

It can be written as a sum of positive squares in 2 ways, for example, as 1448722769641 + 3955781025 = 1203629^2 + 62895^2 .

It is a super-2 number, since 2×1452678550666² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42824811 + ... + 42858718.

Almost surely, 2^{1452678550666} is an apocalyptic number.

1452678550666 is a deficient number, since it is larger than the sum of its proper divisors (1096749200954).

1452678550666 is a wasteful number, since it uses less digits than its factorization.

1452678550666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85683718 (or 85683711 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 61.

The spelling of 1452678550666 in words is "one trillion, four hundred fifty-two billion, six hundred seventy-eight million, five hundred fifty thousand, six hundred sixty-six".