1065374655 has 32 divisors (see below), whose sum is σ = 1719843840. Its totient is φ = 563141760.

The previous prime is 1065374641. The next prime is 1065374657. The reversal of 1065374655 is 5564735601.

It is not a de Polignac number, because 1065374655 - 2⁶ = 1065374591 is a prime.

It is a super-2 number, since 2×1065374655² = 2270046311032738050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065374657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1481386 + ... + 1482104.

It is an arithmetic number, because the mean of its divisors is an integer number (53745120).

Almost surely, 2^1065374655 is an apocalyptic number.

1065374655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1065374655 is a deficient number, since it is larger than the sum of its proper divisors (654469185).

1065374655 is a wasteful number, since it uses less digits than its factorization.

1065374655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 1065374655 is about 32640.0774355699. The cubic root of 1065374655 is about 1021.3332095477. Note that the first 3 decimals are identical.

The spelling of 1065374655 in words is "one billion, sixty-five million, three hundred seventy-four thousand, six hundred fifty-five".