1055601066 has 64 divisors (see below), whose sum is σ = 2335753728. Its totient is φ = 315983808.

The previous prime is 1055601011. The next prime is 1055601103. The reversal of 1055601066 is 6601065501.

It is a super-2 number, since 2×1055601066² = 2228587221080672712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1163385 + ... + 1164291.

It is an arithmetic number, because the mean of its divisors is an integer number (36496152).

Almost surely, 2^1055601066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055601066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167876864).

1055601066 is an abundant number, since it is smaller than the sum of its proper divisors (1280152662).

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

1055601066 is a wasteful number, since it uses less digits than its factorization.

1055601066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1055601066 is about 32490.0148661092. The cubic root of 1055601066 is about 1018.2004235850.

Adding to 1055601066 its reverse (6601065501), we get a palindrome (7656666567).

The spelling of 1055601066 in words is "one billion, fifty-five million, six hundred one thousand, sixty-six".