61467719016 has 64 divisors (see below), whose sum is σ = 168335006400. Its totient is φ = 18549273600.

The previous prime is 61467718987. The next prime is 61467719021. The reversal of 61467719016 is 61091776416.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419431 + ... + 546678.

It is an arithmetic number, because the mean of its divisors is an integer number (2630234475).

Almost surely, 2^61467719016 is an apocalyptic number.

61467719016 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61467719016 is an abundant number, since it is smaller than the sum of its proper divisors (106867287384).

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

61467719016 is a wasteful number, since it uses less digits than its factorization.

61467719016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966370 (or 966366 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 61467719016 in words is "sixty-one billion, four hundred sixty-seven million, seven hundred nineteen thousand, sixteen".