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66714606541 = 1123358173637
BaseRepresentation
bin111110001000100000…
…000001101111001101
320101012110022011022101
4332020200001233031
52043112414402131
650352005315101
74551151541032
oct761040015715
9211173264271
1066714606541
1126325724370
1210b1a705a91
1363a28aa85b
14332c55d389
151b06e95c61
hexf88801bcd

66714606541 has 16 divisors (see below), whose sum is σ = 75966139008. Its totient is φ = 57995713600.

The previous prime is 66714606529. The next prime is 66714606571. The reversal of 66714606541 is 14560641766.

It is not a de Polignac number, because 66714606541 - 217 = 66714475469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66714606491 and 66714606500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66714606571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869175 + ... + 942811.

It is an arithmetic number, because the mean of its divisors is an integer number (4747883688).

Almost surely, 266714606541 is an apocalyptic number.

It is an amenable number.

66714606541 is a deficient number, since it is larger than the sum of its proper divisors (9251532467).

66714606541 is a wasteful number, since it uses less digits than its factorization.

66714606541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77252.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 66714606541 in words is "sixty-six billion, seven hundred fourteen million, six hundred six thousand, five hundred forty-one".

Divisors: 1 11 23 253 3581 39391 73637 82363 810007 905993 1693651 18630161 263694097 2900635067 6064964231 66714606541