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BaseRepresentation
bin1010100010000110111…
…00000000000100010001
31021121011001000010220102
411101003130000010101
521412142104313031
6434131502422145
735101301623664
oct5210334000421
91247131003812
10361908666641
1112a537009905
125a182591955
1328187b35332
14137332b76db
1596327827cb
hex5443700111

361908666641 has 2 divisors, whose sum is σ = 361908666642. Its totient is φ = 361908666640.

The previous prime is 361908666607. The next prime is 361908666667. The reversal of 361908666641 is 146666809163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353197244416 + 8711422225 = 594304^2 + 93335^2 .

It is a cyclic number.

It is not a de Polignac number, because 361908666641 - 222 = 361904472337 is a prime.

It is not a weakly prime, because it can be changed into another prime (361908666601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180954333320 + 180954333321.

It is an arithmetic number, because the mean of its divisors is an integer number (180954333321).

Almost surely, 2361908666641 is an apocalyptic number.

It is an amenable number.

361908666641 is a deficient number, since it is larger than the sum of its proper divisors (1).

361908666641 is an equidigital number, since it uses as much as digits as its factorization.

361908666641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 361908666641 in words is "three hundred sixty-one billion, nine hundred eight million, six hundred sixty-six thousand, six hundred forty-one".