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1066645364 = 22266661341
BaseRepresentation
bin111111100100111…
…011011101110100
32202100002012100212
4333210323131310
54141030122424
6253501524552
735301223151
oct7744733564
92670065325
101066645364
114a81034a4
12259273758
1313cca2b05
14a1939228
156399810e
hex3f93b774

1066645364 has 6 divisors (see below), whose sum is σ = 1866629394. Its totient is φ = 533322680.

The previous prime is 1066645291. The next prime is 1066645369. The reversal of 1066645364 is 4635466601.

It can be written as a sum of positive squares in only one way, i.e., 774508900 + 292136464 = 27830^2 + 17092^2 .

It is a super-2 number, since 2×10666453642 = 2275464665085384992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066645369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133330667 + ... + 133330674.

It is an arithmetic number, because the mean of its divisors is an integer number (311104899).

Almost surely, 21066645364 is an apocalyptic number.

It is an amenable number.

1066645364 is a deficient number, since it is larger than the sum of its proper divisors (799984030).

1066645364 is a wasteful number, since it uses less digits than its factorization.

1066645364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266661345 (or 266661343 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 1066645364 is about 32659.5371063339. The cubic root of 1066645364 is about 1021.7391079651.

The spelling of 1066645364 in words is "one billion, sixty-six million, six hundred forty-five thousand, three hundred sixty-four".

Divisors: 1 2 4 266661341 533322682 1066645364