1073055661456 has 15 divisors (see below), whose sum is σ = 2079053372203. Its totient is φ = 536525758960.

The previous prime is 1073055661451. The next prime is 1073055661481. The reversal of 1073055661456 is 6541665503701.

The square root of 1073055661456 is 1035884.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073055661451) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4014051 + ... + 4273021.

Almost surely, 2^{1073055661456} is an apocalyptic number.

1073055661456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1073055661456 is the 1035884-th square number.

It is an amenable number.

1073055661456 is a deficient number, since it is larger than the sum of its proper divisors (1005997710747).

1073055661456 is an frugal number, since it uses more digits than its factorization.

1073055661456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517950 (or 258973 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 49.

Multiplying 1073055661456 by its sum of digits (49), we get a square (52579727411344 = 7251188²).

The spelling of 1073055661456 in words is "one trillion, seventy-three billion, fifty-five million, six hundred sixty-one thousand, four hundred fifty-six".