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16061031660 = 2235267683861
BaseRepresentation
bin11101111010100111…
…11110010011101100
31112110022122221111110
432331103332103230
5230343111003120
611213415352020
71106002342122
oct167523762354
945408587443
1016061031660
1168a2040893
123142982610
13168c60493b
14ac50db912
1564004e2e0
hex3bd4fe4ec

16061031660 has 24 divisors (see below), whose sum is σ = 44970888816. Its totient is φ = 4282941760.

The previous prime is 16061031659. The next prime is 16061031671. The reversal of 16061031660 is 6613016061.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133841871 + ... + 133841990.

It is an arithmetic number, because the mean of its divisors is an integer number (1873787034).

Almost surely, 216061031660 is an apocalyptic number.

16061031660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16061031660 is an abundant number, since it is smaller than the sum of its proper divisors (28909857156).

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

16061031660 is a wasteful number, since it uses less digits than its factorization.

16061031660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267683873 (or 267683871 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 16061031660 in words is "sixteen billion, sixty-one million, thirty-one thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 267683861 535367722 803051583 1070735444 1338419305 1606103166 2676838610 3212206332 4015257915 5353677220 8030515830 16061031660